pytest_class_demo.ipynb

{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "bd1e8fe0-2b2d-4ff1-9fec-62db8cf3214d",
   "metadata": {},
   "outputs": [],
   "source": [
    "#install quiz package\n",
    "!pip install jupyterquiz --quiet\n",
    "!pip install ipywidgets==7.7.1 --quiet\n",
    "jupyter nbextension enable --py widgetsnbextension"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "539fd29e-3d09-4bd9-a73f-7d0ede018f9c",
   "metadata": {
    "tags": []
   },
   "outputs": [],
   "source": [
    "#import required libraries to run quizzes\n",
    "from jupyterquiz import display_quiz\n",
    "from quiz_module import run_quiz"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "27795c21-001e-400f-9832-e342175725b4",
   "metadata": {
    "tags": []
   },
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div id=\"sIVmztItXwSh\" data-shufflequestions=\"False\"\n",
       "               data-shuffleanswers=\"True\"\n",
       "               data-preserveresponses=\"false\"\n",
       "               data-numquestions=\"1000000\"\n",
       "               data-maxwidth=\"600\"\n",
       "               style=\"border-radius: 10px; text-align: left\"> <style>\n",
       "#sIVmztItXwSh {\n",
       "   --jq-multiple-choice-bg: #6f78ffff;\n",
       "   --jq-mc-button-bg: #fafafa;\n",
       "   --jq-mc-button-border: #e0e0e0e0;\n",
       "   --jq-mc-button-inset-shadow: #555555;\n",
       "   --jq-many-choice-bg: #f75c03ff;\n",
       "   --jq-numeric-bg: #392061ff;\n",
       "   --jq-numeric-input-bg: #c0c0c0;\n",
       "   --jq-numeric-input-label: #101010;\n",
       "   --jq-numeric-input-shadow: #999999;\n",
       "   --jq-incorrect-color: #c80202;\n",
       "   --jq-correct-color: #009113;\n",
       "   --jq-text-color: #fafafa;\n",
       "}\n",
       "\n",
       ".Quiz {\n",
       "    max-width: 600px;\n",
       "    margin-top: 15px;\n",
       "    margin-left: auto;\n",
       "    margin-right: auto;\n",
       "/*    margin-bottom: 15px;*/\n",
       "/*    padding-bottom: 4px;*/\n",
       "    padding-top: 4px;\n",
       "    line-height: 1.1;\n",
       "    font-size: 16pt;\n",
       "    border-radius: inherit;\n",
       "}\n",
       "\n",
       ".QuizCode {\n",
       "    font-size: 14pt;\n",
       "    margin-top: 10px;\n",
       "    margin-left: 20px;\n",
       "    margin-right: 20px;\n",
       "}\n",
       "\n",
       ".QuizCode>pre {\n",
       "    padding: 4px;\n",
       "}\n",
       "\n",
       ".Quiz code {\n",
       "    background-color: lightgray;\n",
       "    color: black;\n",
       "}\n",
       "\n",
       ".Quiz .QuizCode code {\n",
       "    background-color: inherit;\n",
       "    color: inherit;\n",
       "}\n",
       "\n",
       "\n",
       ".Quiz .MCButton code {\n",
       "    background-color: inherit;\n",
       "    color: inherit;\n",
       "}\n",
       "\n",
       ".MCButton .QuizCode {\n",
       "    text-align: left;\n",
       "}\n",
       "\n",
       "\n",
       "\n",
       "\n",
       ".Answer {\n",
       "    border-radius: inherit;\n",
       "    display: grid;\n",
       "    grid-gap: 10px;\n",
       "    grid-template-columns: 1fr 1fr;\n",
       "    margin: 10px 0;\n",
       "}\n",
       "\n",
       "@media only screen and (max-width:480px) {\n",
       "    .Answer {\n",
       "        grid-template-columns: 1fr;\n",
       "    }\n",
       "\n",
       "}\n",
       "\n",
       ".Feedback {\n",
       "    font-size: 16pt;\n",
       "    text-align: center;\n",
       "/*    min-height: 2em;*/\n",
       "}\n",
       "\n",
       ".Input {\n",
       "    align: left;\n",
       "    font-size: 20pt;\n",
       "}\n",
       "\n",
       ".Input-text {\n",
       "    display: block;\n",
       "    margin: 10px;\n",
       "    color: inherit;\n",
       "    width: 140px;\n",
       "    background-color: var(--jq-numeric-input-bg);\n",
       "    color: var(--jq-text-color);\n",
       "    padding: 5px;\n",
       "    padding-left: 10px;\n",
       "    font-family: inherit;\n",
       "    font-size: 20px;\n",
       "    font-weight: inherit;\n",
       "    line-height: 20pt;\n",
       "    border: none;\n",
       "    border-radius: 0.2rem;\n",
       "    transition: box-shadow 0.1s);\n",
       "}\n",
       "\n",
       ".Input-text:focus {\n",
       "    /*outline: none;*/\n",
       "    background-color: var(--jq-numeric-input-bg);\n",
       "    box-shadow: 0.6rem 0.8rem 1.4rem -0.5rem var(--jq-numeric-input-shadow);\n",
       "}\n",
       "\n",
       ".MCButton {\n",
       "    background: var(--jq-mc-button-bg);\n",
       "    border: 1px solid var(--jq-mc-button-border);\n",
       "    border-radius: inherit;\n",
       "    color: #333333;\n",
       "    padding: 10px;\n",
       "    font-size: 16px;\n",
       "    cursor: pointer;\n",
       "    text-align: center;\n",
       "    display: flex;\n",
       "    align-items: center;\n",
       "    justify-content: center;\n",
       "}\n",
       "\n",
       ".MCButton p {\n",
       "    color: inherit;\n",
       "}\n",
       "\n",
       ".MultipleChoiceQn {\n",
       "    padding: 10px;\n",
       "    background: var(--jq-multiple-choice-bg);\n",
       "    color: var(--jq-text-color);\n",
       "    border-radius: inherit;\n",
       "}\n",
       "\n",
       ".ManyChoiceQn {\n",
       "    padding: 10px;\n",
       "    background: var(--jq-many-choice-bg);\n",
       "    color: var(--jq-text-color);\n",
       "    border-radius: inherit;\n",
       "}\n",
       "\n",
       ".NumericQn {\n",
       "    background: var(--jq-numeric-bg);\n",
       "    border-radius: inherit;\n",
       "    color: var(--jq-text-color);\n",
       "    padding: 10px;\n",
       "}\n",
       "\n",
       ".NumericQn p {\n",
       "    color: inherit;\n",
       "}\n",
       "\n",
       ".InpLabel {\n",
       "    color: var(--jq-numeric-input-label);\n",
       "    float: left;\n",
       "    font-size: 15pt;\n",
       "    line-height: 34px;\n",
       "    margin-right: 10px;\n",
       "}\n",
       "\n",
       ".incorrect {\n",
       "    color: var(--jq-incorrect-color);\n",
       "}\n",
       "\n",
       ".correct {\n",
       "    color: var(--jq-correct-color);\n",
       "}\n",
       "\n",
       ".correctButton {\n",
       "    /*\n",
       "    background: var(--jq-correct-color);\n",
       "   */\n",
       "    animation: correct-anim 0.6s ease;\n",
       "    animation-fill-mode: forwards;\n",
       "    box-shadow: inset 0 0 5px var(--jq-mc-button-inset-shadow);\n",
       "    color: var(--jq-text-color);\n",
       "    /*outline: none;*/\n",
       "}\n",
       "\n",
       ".incorrectButton {\n",
       "    animation: incorrect-anim 0.8s ease;\n",
       "    animation-fill-mode: forwards;\n",
       "    box-shadow: inset 0 0 5px var(--jq-mc-button-inset-shadow);\n",
       "    color: var(--jq-text-color);\n",
       "    /*outline: none;*/\n",
       "}\n",
       "\n",
       "@keyframes incorrect-anim {\n",
       "    100% {\n",
       "        background-color: var(--jq-incorrect-color);\n",
       "    }\n",
       "}\n",
       "\n",
       "@keyframes correct-anim {\n",
       "    100% {\n",
       "        background-color: var(--jq-correct-color);\n",
       "    }\n",
       "}\n",
       "</style>"
      ],
      "text/plain": [
       "<IPython.core.display.HTML object>"
      ]
     },
     "metadata": {},
     "output_type": "display_data"
    },
    {
     "data": {
      "application/javascript": "var questionssIVmztItXwSh=[{\"question\": \"Select all answers that are correct. Which tools are used primarily as aligners in an RNA-Seq pipeline?\", \"type\": \"many_choice\", \"answers\": [{\"answer\": \"STAR\", \"correct\": true, \"feedback\": \"Correct\"}, {\"answer\": \"BW2\", \"correct\": false, \"feedback\": \"Incorrect\"}, {\"answer\": \"BWA\", \"correct\": true, \"feedback\": \"Correct\"}, {\"answer\": \"Bowtie2\", \"correct\": true, \"feedback\": \"Correct\"}, {\"answer\": \"Bismark\", \"correct\": false, \"feedback\": \"Incorrect- not used for RNA-Seq.\"}]}];\n    // Make a random ID\nfunction makeid(length) {\n    var result = [];\n    var characters = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz';\n    var charactersLength = characters.length;\n    for (var i = 0; i < length; i++) {\n        result.push(characters.charAt(Math.floor(Math.random() * charactersLength)));\n    }\n    return result.join('');\n}\n\n// Choose a random subset of an array. Can also be used to shuffle the array\nfunction getRandomSubarray(arr, size) {\n    var shuffled = arr.slice(0), i = arr.length, temp, index;\n    while (i--) {\n        index = Math.floor((i + 1) * Math.random());\n        temp = shuffled[index];\n        shuffled[index] = shuffled[i];\n        shuffled[i] = temp;\n    }\n    return shuffled.slice(0, size);\n}\n\nfunction printResponses(responsesContainer) {\n    var responses=JSON.parse(responsesContainer.dataset.responses);\n    var stringResponses='<B>IMPORTANT!</B>To preserve this answer sequence for submission, when you have finalized your answers: <ol> <li> Copy the text in this cell below \"Answer String\"</li> <li> Double click on the cell directly below the Answer String, labeled \"Replace Me\"</li> <li> Select the whole \"Replace Me\" text</li> <li> Paste in your answer string and press shift-Enter.</li><li>Save the notebook using the save icon or File->Save Notebook menu item</li></ul><br><br><br><b>Answer String:</b><br> ';\n    console.log(responses);\n    responses.forEach((response, index) => {\n        if (response) {\n            console.log(index + ': ' + response);\n            stringResponses+= index + ': ' + response +\"<BR>\";\n        }\n    });\n    responsesContainer.innerHTML=stringResponses;\n}\n/* Callback function to determine whether a selected multiple-choice\n   button corresponded to a correct answer and to provide feedback\n   based on the answer */\nfunction check_mc() {\n    var id = this.id.split('-')[0];\n    //var response = this.id.split('-')[1];\n    //console.log(response);\n    //console.log(\"In check_mc(), id=\"+id);\n    //console.log(event.srcElement.id)           \n    //console.log(event.srcElement.dataset.correct)   \n    //console.log(event.srcElement.dataset.feedback)\n\n    var label = event.srcElement;\n    //console.log(label, label.nodeName);\n    var depth = 0;\n    while ((label.nodeName != \"LABEL\") && (depth < 20)) {\n        label = label.parentElement;\n        console.log(depth, label);\n        depth++;\n    }\n\n\n\n    var answers = label.parentElement.children;\n    //console.log(answers);\n\n    // Split behavior based on multiple choice vs many choice:\n    var fb = document.getElementById(\"fb\" + id);\n\n\n\n    /* Multiple choice (1 answer). Allow for 0 correct\n       answers as an edge case */\n    if (fb.dataset.numcorrect <= 1) {\n        // What follows is for the saved responses stuff\n        var outerContainer = fb.parentElement.parentElement;\n        var responsesContainer = document.getElementById(\"responses\" + outerContainer.id);\n        if (responsesContainer) {\n            //console.log(responsesContainer);\n            var response = label.firstChild.innerText;\n            if (label.querySelector(\".QuizCode\")){\n                response+= label.querySelector(\".QuizCode\").firstChild.innerText;\n            }\n            console.log(response);\n            //console.log(document.getElementById(\"quizWrap\"+id));\n            var qnum = document.getElementById(\"quizWrap\"+id).dataset.qnum;\n            console.log(\"Question \" + qnum);\n            //console.log(id, \", got numcorrect=\",fb.dataset.numcorrect);\n            var responses=JSON.parse(responsesContainer.dataset.responses);\n            console.log(responses);\n            responses[qnum]= response;\n            responsesContainer.setAttribute('data-responses', JSON.stringify(responses));\n            printResponses(responsesContainer);\n        }\n        // End code to preserve responses\n\n        for (var i = 0; i < answers.length; i++) {\n            var child = answers[i];\n            //console.log(child);\n            child.className = \"MCButton\";\n        }\n\n\n\n        if (label.dataset.correct == \"true\") {\n            // console.log(\"Correct action\");\n            if (\"feedback\" in label.dataset) {\n                fb.innerHTML = jaxify(label.dataset.feedback);\n            } else {\n                fb.innerHTML = \"Correct!\";\n            }\n            label.classList.add(\"correctButton\");\n\n            fb.className = \"Feedback\";\n            fb.classList.add(\"correct\");\n\n        } else {\n            if (\"feedback\" in label.dataset) {\n                fb.innerHTML = jaxify(label.dataset.feedback);\n            } else {\n                fb.innerHTML = \"Incorrect -- try again.\";\n            }\n            //console.log(\"Error action\");\n            label.classList.add(\"incorrectButton\");\n            fb.className = \"Feedback\";\n            fb.classList.add(\"incorrect\");\n        }\n    }\n    else { /* Many choice (more than 1 correct answer) */\n        var reset = false;\n        var feedback;\n         if (label.dataset.correct == \"true\") {\n            if (\"feedback\" in label.dataset) {\n                feedback = jaxify(label.dataset.feedback);\n            } else {\n                feedback = \"Correct!\";\n            }\n            if (label.dataset.answered <= 0) {\n                if (fb.dataset.answeredcorrect < 0) {\n                    fb.dataset.answeredcorrect = 1;\n                    reset = true;\n                } else {\n                    fb.dataset.answeredcorrect++;\n                }\n                if (reset) {\n                    for (var i = 0; i < answers.length; i++) {\n                        var child = answers[i];\n                        child.className = \"MCButton\";\n                        child.dataset.answered = 0;\n                    }\n                }\n                label.classList.add(\"correctButton\");\n                label.dataset.answered = 1;\n                fb.className = \"Feedback\";\n                fb.classList.add(\"correct\");\n\n            }\n        } else {\n            if (\"feedback\" in label.dataset) {\n                feedback = jaxify(label.dataset.feedback);\n            } else {\n                feedback = \"Incorrect -- try again.\";\n            }\n            if (fb.dataset.answeredcorrect > 0) {\n                fb.dataset.answeredcorrect = -1;\n                reset = true;\n            } else {\n                fb.dataset.answeredcorrect--;\n            }\n\n            if (reset) {\n                for (var i = 0; i < answers.length; i++) {\n                    var child = answers[i];\n                    child.className = \"MCButton\";\n                    child.dataset.answered = 0;\n                }\n            }\n            label.classList.add(\"incorrectButton\");\n            fb.className = \"Feedback\";\n            fb.classList.add(\"incorrect\");\n        }\n        // What follows is for the saved responses stuff\n        var outerContainer = fb.parentElement.parentElement;\n        var responsesContainer = document.getElementById(\"responses\" + outerContainer.id);\n        if (responsesContainer) {\n            //console.log(responsesContainer);\n            var response = label.firstChild.innerText;\n            if (label.querySelector(\".QuizCode\")){\n                response+= label.querySelector(\".QuizCode\").firstChild.innerText;\n            }\n            console.log(response);\n            //console.log(document.getElementById(\"quizWrap\"+id));\n            var qnum = document.getElementById(\"quizWrap\"+id).dataset.qnum;\n            console.log(\"Question \" + qnum);\n            //console.log(id, \", got numcorrect=\",fb.dataset.numcorrect);\n            var responses=JSON.parse(responsesContainer.dataset.responses);\n            if (label.dataset.correct == \"true\") {\n                if (typeof(responses[qnum]) == \"object\"){\n                    if (!responses[qnum].includes(response))\n                        responses[qnum].push(response);\n                } else{\n                    responses[qnum]= [ response ];\n                }\n            } else {\n                responses[qnum]= response;\n            }\n            console.log(responses);\n            responsesContainer.setAttribute('data-responses', JSON.stringify(responses));\n            printResponses(responsesContainer);\n        }\n        // End save responses stuff\n\n\n\n        var numcorrect = fb.dataset.numcorrect;\n        var answeredcorrect = fb.dataset.answeredcorrect;\n        if (answeredcorrect >= 0) {\n            fb.innerHTML = feedback + \" [\" + answeredcorrect + \"/\" + numcorrect + \"]\";\n        } else {\n            fb.innerHTML = feedback + \" [\" + 0 + \"/\" + numcorrect + \"]\";\n        }\n\n\n    }\n\n    if (typeof MathJax != 'undefined') {\n        var version = MathJax.version;\n        console.log('MathJax version', version);\n        if (version[0] == \"2\") {\n            MathJax.Hub.Queue([\"Typeset\", MathJax.Hub]);\n        } else if (version[0] == \"3\") {\n            MathJax.typeset([fb]);\n        }\n    } else {\n        console.log('MathJax not detected');\n    }\n\n}\n\n\n/* Function to produce the HTML buttons for a multiple choice/\n   many choice question  and to update the CSS tags based on\n   the question type */\nfunction make_mc(qa, shuffle_answers, outerqDiv, qDiv, aDiv, id) {\n\n    var shuffled;\n    if (shuffle_answers == \"True\") {\n        //console.log(shuffle_answers+\" read as true\");\n        shuffled = getRandomSubarray(qa.answers, qa.answers.length);\n    } else {\n        //console.log(shuffle_answers+\" read as false\");\n        shuffled = qa.answers;\n    }\n\n\n    var num_correct = 0;\n\n    shuffled.forEach((item, index, ans_array) => {\n        //console.log(answer);\n\n        // Make input element\n        var inp = document.createElement(\"input\");\n        inp.type = \"radio\";\n        inp.id = \"quizo\" + id + index;\n        inp.style = \"display:none;\";\n        aDiv.append(inp);\n\n        //Make label for input element\n        var lab = document.createElement(\"label\");\n        lab.className = \"MCButton\";\n        lab.id = id + '-' + index;\n        lab.onclick = check_mc;\n        var aSpan = document.createElement('span');\n        aSpan.classsName = \"\";\n        //qDiv.id=\"quizQn\"+id+index;\n        if (\"answer\" in item) {\n            aSpan.innerHTML = jaxify(item.answer);\n            //aSpan.innerHTML=item.answer;\n        }\n        lab.append(aSpan);\n\n        // Create div for code inside question\n        var codeSpan;\n        if (\"code\" in item) {\n            codeSpan = document.createElement('span');\n            codeSpan.id = \"code\" + id + index;\n            codeSpan.className = \"QuizCode\";\n            var codePre = document.createElement('pre');\n            codeSpan.append(codePre);\n            var codeCode = document.createElement('code');\n            codePre.append(codeCode);\n            codeCode.innerHTML = item.code;\n            lab.append(codeSpan);\n            //console.log(codeSpan);\n        }\n\n        //lab.textContent=item.answer;\n\n        // Set the data attributes for the answer\n        lab.setAttribute('data-correct', item.correct);\n        if (item.correct) {\n            num_correct++;\n        }\n        if (\"feedback\" in item) {\n            lab.setAttribute('data-feedback', item.feedback);\n        }\n        lab.setAttribute('data-answered', 0);\n\n        aDiv.append(lab);\n\n    });\n\n    if (num_correct > 1) {\n        outerqDiv.className = \"ManyChoiceQn\";\n    } else {\n        outerqDiv.className = \"MultipleChoiceQn\";\n    }\n\n    return num_correct;\n\n}\nfunction check_numeric(ths, event) {\n\n    if (event.keyCode === 13) {\n        ths.blur();\n\n        var id = ths.id.split('-')[0];\n\n        var submission = ths.value;\n        if (submission.indexOf('/') != -1) {\n            var sub_parts = submission.split('/');\n            //console.log(sub_parts);\n            submission = sub_parts[0] / sub_parts[1];\n        }\n        //console.log(\"Reader entered\", submission);\n\n        if (\"precision\" in ths.dataset) {\n            var precision = ths.dataset.precision;\n            submission = Number(Number(submission).toPrecision(precision));\n        }\n\n\n        //console.log(\"In check_numeric(), id=\"+id);\n        //console.log(event.srcElement.id)           \n        //console.log(event.srcElement.dataset.feedback)\n\n        var fb = document.getElementById(\"fb\" + id);\n        fb.style.display = \"none\";\n        fb.innerHTML = \"Incorrect -- try again.\";\n\n        var answers = JSON.parse(ths.dataset.answers);\n        //console.log(answers);\n\n        var defaultFB = \"Incorrect. Try again.\";\n        var correct;\n        var done = false;\n        answers.every(answer => {\n            //console.log(answer.type);\n\n            correct = false;\n            // if (answer.type==\"value\"){\n            if ('value' in answer) {\n                if (submission == answer.value) {\n                    if (\"feedback\" in answer) {\n                        fb.innerHTML = jaxify(answer.feedback);\n                    } else {\n                        fb.innerHTML = jaxify(\"Correct\");\n                    }\n                    correct = answer.correct;\n                    //console.log(answer.correct);\n                    done = true;\n                }\n                // } else if (answer.type==\"range\") {\n            } else if ('range' in answer) {\n                console.log(answer.range);\n                console.log(submission, submission >=answer.range[0], submission < answer.range[1])\n                if ((submission >= answer.range[0]) && (submission < answer.range[1])) {\n                    fb.innerHTML = jaxify(answer.feedback);\n                    correct = answer.correct;\n                    console.log(answer.correct);\n                    done = true;\n                }\n            } else if (answer.type == \"default\") {\n                if (\"feedback\" in answer) {\n                    defaultFB = answer.feedback;\n                } \n            }\n            if (done) {\n                return false; // Break out of loop if this has been marked correct\n            } else {\n                return true; // Keep looking for case that includes this as a correct answer\n            }\n        });\n        console.log(\"done:\", done);\n\n        if ((!done) && (defaultFB != \"\")) {\n            fb.innerHTML = jaxify(defaultFB);\n            //console.log(\"Default feedback\", defaultFB);\n        }\n\n        fb.style.display = \"block\";\n        if (correct) {\n            ths.className = \"Input-text\";\n            ths.classList.add(\"correctButton\");\n            fb.className = \"Feedback\";\n            fb.classList.add(\"correct\");\n        } else {\n            ths.className = \"Input-text\";\n            ths.classList.add(\"incorrectButton\");\n            fb.className = \"Feedback\";\n            fb.classList.add(\"incorrect\");\n        }\n\n        // What follows is for the saved responses stuff\n        var outerContainer = fb.parentElement.parentElement;\n        var responsesContainer = document.getElementById(\"responses\" + outerContainer.id);\n        if (responsesContainer) {\n            console.log(submission);\n            var qnum = document.getElementById(\"quizWrap\"+id).dataset.qnum;\n            //console.log(\"Question \" + qnum);\n            //console.log(id, \", got numcorrect=\",fb.dataset.numcorrect);\n            var responses=JSON.parse(responsesContainer.dataset.responses);\n            console.log(responses);\n            if (submission == ths.value){\n                responses[qnum]= submission;\n            } else {\n                responses[qnum]= ths.value + \"(\" + submission +\")\";\n            }\n            responsesContainer.setAttribute('data-responses', JSON.stringify(responses));\n            printResponses(responsesContainer);\n        }\n        // End code to preserve responses\n\n        if (typeof MathJax != 'undefined') {\n            var version = MathJax.version;\n            console.log('MathJax version', version);\n            if (version[0] == \"2\") {\n                MathJax.Hub.Queue([\"Typeset\", MathJax.Hub]);\n            } else if (version[0] == \"3\") {\n                MathJax.typeset([fb]);\n            }\n        } else {\n            console.log('MathJax not detected');\n        }\n        return false;\n    }\n\n}\n\nfunction isValid(el, charC) {\n    //console.log(\"Input char: \", charC);\n    if (charC == 46) {\n        if (el.value.indexOf('.') === -1) {\n            return true;\n        } else if (el.value.indexOf('/') != -1) {\n            var parts = el.value.split('/');\n            if (parts[1].indexOf('.') === -1) {\n                return true;\n            }\n        }\n        else {\n            return false;\n        }\n    } else if (charC == 47) {\n        if (el.value.indexOf('/') === -1) {\n            if ((el.value != \"\") && (el.value != \".\")) {\n                return true;\n            } else {\n                return false;\n            }\n        } else {\n            return false;\n        }\n    } else if (charC == 45) {\n        var edex = el.value.indexOf('e');\n        if (edex == -1) {\n            edex = el.value.indexOf('E');\n        }\n\n        if (el.value == \"\") {\n            return true;\n        } else if (edex == (el.value.length - 1)) { // If just after e or E\n            return true;\n        } else {\n            return false;\n        }\n    } else if (charC == 101) { // \"e\"\n        if ((el.value.indexOf('e') === -1) && (el.value.indexOf('E') === -1) && (el.value.indexOf('/') == -1)) {\n            // Prev symbol must be digit or decimal point:\n            if (el.value.slice(-1).search(/\\d/) >= 0) {\n                return true;\n            } else if (el.value.slice(-1).search(/\\./) >= 0) {\n                return true;\n            } else {\n                return false;\n            }\n        } else {\n            return false;\n        }\n    } else {\n        if (charC > 31 && (charC < 48 || charC > 57))\n            return false;\n    }\n    return true;\n}\n\nfunction numeric_keypress(evnt) {\n    var charC = (evnt.which) ? evnt.which : evnt.keyCode;\n\n    if (charC == 13) {\n        check_numeric(this, evnt);\n    } else {\n        return isValid(this, charC);\n    }\n}\n\n\n\n\n\nfunction make_numeric(qa, outerqDiv, qDiv, aDiv, id) {\n\n\n\n    //console.log(answer);\n\n\n    outerqDiv.className = \"NumericQn\";\n    aDiv.style.display = 'block';\n\n    var lab = document.createElement(\"label\");\n    lab.className = \"InpLabel\";\n    lab.innerHTML = \"Type numeric answer here:\";\n    aDiv.append(lab);\n\n    var inp = document.createElement(\"input\");\n    inp.type = \"text\";\n    //inp.id=\"input-\"+id;\n    inp.id = id + \"-0\";\n    inp.className = \"Input-text\";\n    inp.setAttribute('data-answers', JSON.stringify(qa.answers));\n    if (\"precision\" in qa) {\n        inp.setAttribute('data-precision', qa.precision);\n    }\n    aDiv.append(inp);\n    //console.log(inp);\n\n    //inp.addEventListener(\"keypress\", check_numeric);\n    //inp.addEventListener(\"keypress\", numeric_keypress);\n    /*\n    inp.addEventListener(\"keypress\", function(event) {\n        return numeric_keypress(this, event);\n    }\n                        );\n                        */\n    //inp.onkeypress=\"return numeric_keypress(this, event)\";\n    inp.onkeypress = numeric_keypress;\n    inp.onpaste = event => false;\n\n    inp.addEventListener(\"focus\", function (event) {\n        this.value = \"\";\n        return false;\n    }\n    );\n\n\n}\nfunction jaxify(string) {\n    var mystring = string;\n\n    var count = 0;\n    var loc = mystring.search(/([^\\\\]|^)(\\$)/);\n\n    var count2 = 0;\n    var loc2 = mystring.search(/([^\\\\]|^)(\\$\\$)/);\n\n    //console.log(loc);\n\n    while ((loc >= 0) || (loc2 >= 0)) {\n\n        /* Have to replace all the double $$ first with current implementation */\n        if (loc2 >= 0) {\n            if (count2 % 2 == 0) {\n                mystring = mystring.replace(/([^\\\\]|^)(\\$\\$)/, \"$1\\\\[\");\n            } else {\n                mystring = mystring.replace(/([^\\\\]|^)(\\$\\$)/, \"$1\\\\]\");\n            }\n            count2++;\n        } else {\n            if (count % 2 == 0) {\n                mystring = mystring.replace(/([^\\\\]|^)(\\$)/, \"$1\\\\(\");\n            } else {\n                mystring = mystring.replace(/([^\\\\]|^)(\\$)/, \"$1\\\\)\");\n            }\n            count++;\n        }\n        loc = mystring.search(/([^\\\\]|^)(\\$)/);\n        loc2 = mystring.search(/([^\\\\]|^)(\\$\\$)/);\n        //console.log(mystring,\", loc:\",loc,\", loc2:\",loc2);\n    }\n\n    // repace markdown style links with actual links\n    mystring = mystring.replace(/<(.*?)>/, '<a href=\"$1\" target=\"_blank\" class=\"Link\">$1</a>');\n    mystring = mystring.replace(/\\[(.*?)\\]\\((.*?)\\)/, '<a href=\"$2\" target=\"_blank\" class=\"Link\">$1</a>');\n\n    //console.log(mystring);\n    return mystring;\n}\n\n\nfunction show_questions(json, mydiv) {\n    console.log('show_questions');\n    //var mydiv=document.getElementById(myid);\n    var shuffle_questions = mydiv.dataset.shufflequestions;\n    var num_questions = mydiv.dataset.numquestions;\n    var shuffle_answers = mydiv.dataset.shuffleanswers;\n    var max_width = mydiv.dataset.maxwidth;\n\n    if (num_questions > json.length) {\n        num_questions = json.length;\n    }\n\n    var questions;\n    if ((num_questions < json.length) || (shuffle_questions == \"True\")) {\n        //console.log(num_questions+\",\"+json.length);\n        questions = getRandomSubarray(json, num_questions);\n    } else {\n        questions = json;\n    }\n\n    //console.log(\"SQ: \"+shuffle_questions+\", NQ: \" + num_questions + \", SA: \", shuffle_answers);\n\n    // Iterate over questions\n    questions.forEach((qa, index, array) => {\n        //console.log(qa.question); \n\n        var id = makeid(8);\n        //console.log(id);\n\n\n        // Create Div to contain question and answers\n        var iDiv = document.createElement('div');\n        //iDiv.id = 'quizWrap' + id + index;\n        iDiv.id = 'quizWrap' + id;\n        iDiv.className = 'Quiz';\n        iDiv.setAttribute('data-qnum', index);\n        iDiv.style.maxWidth  =max_width+\"px\";\n        mydiv.appendChild(iDiv);\n        // iDiv.innerHTML=qa.question;\n        \n        var outerqDiv = document.createElement('div');\n        outerqDiv.id = \"OuterquizQn\" + id + index;\n        // Create div to contain question part\n        var qDiv = document.createElement('div');\n        qDiv.id = \"quizQn\" + id + index;\n        \n        if (qa.question) {\n            iDiv.append(outerqDiv);\n\n            //qDiv.textContent=qa.question;\n            qDiv.innerHTML = jaxify(qa.question);\n            outerqDiv.append(qDiv);\n        }\n\n        // Create div for code inside question\n        var codeDiv;\n        if (\"code\" in qa) {\n            codeDiv = document.createElement('div');\n            codeDiv.id = \"code\" + id + index;\n            codeDiv.className = \"QuizCode\";\n            var codePre = document.createElement('pre');\n            codeDiv.append(codePre);\n            var codeCode = document.createElement('code');\n            codePre.append(codeCode);\n            codeCode.innerHTML = qa.code;\n            outerqDiv.append(codeDiv);\n            //console.log(codeDiv);\n        }\n\n\n        // Create div to contain answer part\n        var aDiv = document.createElement('div');\n        aDiv.id = \"quizAns\" + id + index;\n        aDiv.className = 'Answer';\n        iDiv.append(aDiv);\n\n        //console.log(qa.type);\n\n        var num_correct;\n        if ((qa.type == \"multiple_choice\") || (qa.type == \"many_choice\") ) {\n            num_correct = make_mc(qa, shuffle_answers, outerqDiv, qDiv, aDiv, id);\n            if (\"answer_cols\" in qa) {\n                //aDiv.style.gridTemplateColumns = 'auto '.repeat(qa.answer_cols);\n                aDiv.style.gridTemplateColumns = 'repeat(' + qa.answer_cols + ', 1fr)';\n            }\n        } else if (qa.type == \"numeric\") {\n            //console.log(\"numeric\");\n            make_numeric(qa, outerqDiv, qDiv, aDiv, id);\n        }\n\n\n        //Make div for feedback\n        var fb = document.createElement(\"div\");\n        fb.id = \"fb\" + id;\n        //fb.style=\"font-size: 20px;text-align:center;\";\n        fb.className = \"Feedback\";\n        fb.setAttribute(\"data-answeredcorrect\", 0);\n        fb.setAttribute(\"data-numcorrect\", num_correct);\n        iDiv.append(fb);\n\n\n    });\n    var preserveResponses = mydiv.dataset.preserveresponses;\n    console.log(preserveResponses);\n    console.log(preserveResponses == \"true\");\n    if (preserveResponses == \"true\") {\n        console.log(preserveResponses);\n        // Create Div to contain record of answers\n        var iDiv = document.createElement('div');\n        iDiv.id = 'responses' + mydiv.id;\n        iDiv.className = 'JCResponses';\n        // Create a place to store responses as an empty array\n        iDiv.setAttribute('data-responses', '[]');\n\n        // Dummy Text\n        iDiv.innerHTML=\"<b>Select your answers and then follow the directions that will appear here.</b>\"\n        //iDiv.className = 'Quiz';\n        mydiv.appendChild(iDiv);\n    }\n//console.log(\"At end of show_questions\");\n    if (typeof MathJax != 'undefined') {\n        console.log(\"MathJax version\", MathJax.version);\n        var version = MathJax.version;\n        setTimeout(function(){\n            var version = MathJax.version;\n            console.log('After sleep, MathJax version', version);\n            if (version[0] == \"2\") {\n                MathJax.Hub.Queue([\"Typeset\", MathJax.Hub]);\n            } else if (version[0] == \"3\") {\n                if (MathJax.hasOwnProperty('typeset') ) {\n                    MathJax.typeset([mydiv]);\n                } else {\n                    console.log('WARNING: Trying to force load MathJax 3');\n                    window.MathJax = {\n                        tex: {\n                            inlineMath: [['$', '$'], ['\\\\(', '\\\\)']]\n                        },\n                        svg: {\n                            fontCache: 'global'\n                        }\n                    };\n\n                    (function () {\n                        var script = document.createElement('script');\n                        script.src = 'https://cdn.jsdelivr.net/npm/mathjax@3/es5/tex-svg.js';\n                        script.async = true;\n                        document.head.appendChild(script);\n                    })();\n                }\n            }\n        }, 500);\nif (typeof version == 'undefined') {\n        } else\n        {\n            if (version[0] == \"2\") {\n                MathJax.Hub.Queue([\"Typeset\", MathJax.Hub]);\n            } else if (version[0] == \"3\") {\n                if (MathJax.hasOwnProperty('typeset') ) {\n                    MathJax.typeset([mydiv]);\n                } else {\n                    console.log('WARNING: Trying to force load MathJax 3');\n                    window.MathJax = {\n                        tex: {\n                            inlineMath: [['$', '$'], ['\\\\(', '\\\\)']]\n                        },\n                        svg: {\n                            fontCache: 'global'\n                        }\n                    };\n\n                    (function () {\n                        var script = document.createElement('script');\n                        script.src = 'https://cdn.jsdelivr.net/npm/mathjax@3/es5/tex-svg.js';\n                        script.async = true;\n                        document.head.appendChild(script);\n                    })();\n                }\n            } else {\n                console.log(\"MathJax not found\");\n            }\n        }\n    }\n\n    // stop event propagation for the .Link class\n    var links = document.getElementsByClassName('Link')\n    for (var i = 0; i < links.length; i++) {\n        links[i].addEventListener('click', function(e){\n            e.stopPropagation();\n        });\n    }\n\n    return false;\n}\n/* This is to handle asynchrony issues in loading Jupyter notebooks\n           where the quiz has been previously run. The Javascript was generally\n           being run before the div was added to the DOM. I tried to do this\n           more elegantly using Mutation Observer, but I didn't get it to work.\n\n           Someone more knowledgeable could make this better ;-) */\n\n        function try_show() {\n          if(document.getElementById(\"sIVmztItXwSh\")) {\n            show_questions(questionssIVmztItXwSh,  sIVmztItXwSh); \n          } else {\n             setTimeout(try_show, 200);\n          }\n        };\n    \n        {\n        // console.log(element);\n\n        //console.log(\"sIVmztItXwSh\");\n        // console.log(document.getElementById(\"sIVmztItXwSh\"));\n\n        try_show();\n        }\n        ",
      "text/plain": [
       "<IPython.core.display.Javascript object>"
      ]
     },
     "metadata": {},
     "output_type": "display_data"
    }
   ],
   "source": [
    "#Assessment Q1\n",
    "display_quiz(\"mc_quiz.json\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 28,
   "id": "72909667-a7c4-4aa1-a80e-238c9e0240eb",
   "metadata": {
    "tags": []
   },
   "outputs": [],
   "source": [
    "#Provide string values for all correct answers to Q1 formatted as a list defined as variable a1:\n",
    "a1 = ['STAR', 'Bowtie2', '']"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "05c5cca3-83de-4bb0-a51b-83e7e2bcefcb",
   "metadata": {
    "tags": []
   },
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div id=\"xafGyvDGqPKM\" data-shufflequestions=\"False\"\n",
       "               data-shuffleanswers=\"True\"\n",
       "               data-preserveresponses=\"false\"\n",
       "               data-numquestions=\"1000000\"\n",
       "               data-maxwidth=\"600\"\n",
       "               style=\"border-radius: 10px; text-align: left\"> <style>\n",
       "#xafGyvDGqPKM {\n",
       "   --jq-multiple-choice-bg: #6f78ffff;\n",
       "   --jq-mc-button-bg: #fafafa;\n",
       "   --jq-mc-button-border: #e0e0e0e0;\n",
       "   --jq-mc-button-inset-shadow: #555555;\n",
       "   --jq-many-choice-bg: #f75c03ff;\n",
       "   --jq-numeric-bg: #392061ff;\n",
       "   --jq-numeric-input-bg: #c0c0c0;\n",
       "   --jq-numeric-input-label: #101010;\n",
       "   --jq-numeric-input-shadow: #999999;\n",
       "   --jq-incorrect-color: #c80202;\n",
       "   --jq-correct-color: #009113;\n",
       "   --jq-text-color: #fafafa;\n",
       "}\n",
       "\n",
       ".Quiz {\n",
       "    max-width: 600px;\n",
       "    margin-top: 15px;\n",
       "    margin-left: auto;\n",
       "    margin-right: auto;\n",
       "/*    margin-bottom: 15px;*/\n",
       "/*    padding-bottom: 4px;*/\n",
       "    padding-top: 4px;\n",
       "    line-height: 1.1;\n",
       "    font-size: 16pt;\n",
       "    border-radius: inherit;\n",
       "}\n",
       "\n",
       ".QuizCode {\n",
       "    font-size: 14pt;\n",
       "    margin-top: 10px;\n",
       "    margin-left: 20px;\n",
       "    margin-right: 20px;\n",
       "}\n",
       "\n",
       ".QuizCode>pre {\n",
       "    padding: 4px;\n",
       "}\n",
       "\n",
       ".Quiz code {\n",
       "    background-color: lightgray;\n",
       "    color: black;\n",
       "}\n",
       "\n",
       ".Quiz .QuizCode code {\n",
       "    background-color: inherit;\n",
       "    color: inherit;\n",
       "}\n",
       "\n",
       "\n",
       ".Quiz .MCButton code {\n",
       "    background-color: inherit;\n",
       "    color: inherit;\n",
       "}\n",
       "\n",
       ".MCButton .QuizCode {\n",
       "    text-align: left;\n",
       "}\n",
       "\n",
       "\n",
       "\n",
       "\n",
       ".Answer {\n",
       "    border-radius: inherit;\n",
       "    display: grid;\n",
       "    grid-gap: 10px;\n",
       "    grid-template-columns: 1fr 1fr;\n",
       "    margin: 10px 0;\n",
       "}\n",
       "\n",
       "@media only screen and (max-width:480px) {\n",
       "    .Answer {\n",
       "        grid-template-columns: 1fr;\n",
       "    }\n",
       "\n",
       "}\n",
       "\n",
       ".Feedback {\n",
       "    font-size: 16pt;\n",
       "    text-align: center;\n",
       "/*    min-height: 2em;*/\n",
       "}\n",
       "\n",
       ".Input {\n",
       "    align: left;\n",
       "    font-size: 20pt;\n",
       "}\n",
       "\n",
       ".Input-text {\n",
       "    display: block;\n",
       "    margin: 10px;\n",
       "    color: inherit;\n",
       "    width: 140px;\n",
       "    background-color: var(--jq-numeric-input-bg);\n",
       "    color: var(--jq-text-color);\n",
       "    padding: 5px;\n",
       "    padding-left: 10px;\n",
       "    font-family: inherit;\n",
       "    font-size: 20px;\n",
       "    font-weight: inherit;\n",
       "    line-height: 20pt;\n",
       "    border: none;\n",
       "    border-radius: 0.2rem;\n",
       "    transition: box-shadow 0.1s);\n",
       "}\n",
       "\n",
       ".Input-text:focus {\n",
       "    /*outline: none;*/\n",
       "    background-color: var(--jq-numeric-input-bg);\n",
       "    box-shadow: 0.6rem 0.8rem 1.4rem -0.5rem var(--jq-numeric-input-shadow);\n",
       "}\n",
       "\n",
       ".MCButton {\n",
       "    background: var(--jq-mc-button-bg);\n",
       "    border: 1px solid var(--jq-mc-button-border);\n",
       "    border-radius: inherit;\n",
       "    color: #333333;\n",
       "    padding: 10px;\n",
       "    font-size: 16px;\n",
       "    cursor: pointer;\n",
       "    text-align: center;\n",
       "    display: flex;\n",
       "    align-items: center;\n",
       "    justify-content: center;\n",
       "}\n",
       "\n",
       ".MCButton p {\n",
       "    color: inherit;\n",
       "}\n",
       "\n",
       ".MultipleChoiceQn {\n",
       "    padding: 10px;\n",
       "    background: var(--jq-multiple-choice-bg);\n",
       "    color: var(--jq-text-color);\n",
       "    border-radius: inherit;\n",
       "}\n",
       "\n",
       ".ManyChoiceQn {\n",
       "    padding: 10px;\n",
       "    background: var(--jq-many-choice-bg);\n",
       "    color: var(--jq-text-color);\n",
       "    border-radius: inherit;\n",
       "}\n",
       "\n",
       ".NumericQn {\n",
       "    background: var(--jq-numeric-bg);\n",
       "    border-radius: inherit;\n",
       "    color: var(--jq-text-color);\n",
       "    padding: 10px;\n",
       "}\n",
       "\n",
       ".NumericQn p {\n",
       "    color: inherit;\n",
       "}\n",
       "\n",
       ".InpLabel {\n",
       "    color: var(--jq-numeric-input-label);\n",
       "    float: left;\n",
       "    font-size: 15pt;\n",
       "    line-height: 34px;\n",
       "    margin-right: 10px;\n",
       "}\n",
       "\n",
       ".incorrect {\n",
       "    color: var(--jq-incorrect-color);\n",
       "}\n",
       "\n",
       ".correct {\n",
       "    color: var(--jq-correct-color);\n",
       "}\n",
       "\n",
       ".correctButton {\n",
       "    /*\n",
       "    background: var(--jq-correct-color);\n",
       "   */\n",
       "    animation: correct-anim 0.6s ease;\n",
       "    animation-fill-mode: forwards;\n",
       "    box-shadow: inset 0 0 5px var(--jq-mc-button-inset-shadow);\n",
       "    color: var(--jq-text-color);\n",
       "    /*outline: none;*/\n",
       "}\n",
       "\n",
       ".incorrectButton {\n",
       "    animation: incorrect-anim 0.8s ease;\n",
       "    animation-fill-mode: forwards;\n",
       "    box-shadow: inset 0 0 5px var(--jq-mc-button-inset-shadow);\n",
       "    color: var(--jq-text-color);\n",
       "    /*outline: none;*/\n",
       "}\n",
       "\n",
       "@keyframes incorrect-anim {\n",
       "    100% {\n",
       "        background-color: var(--jq-incorrect-color);\n",
       "    }\n",
       "}\n",
       "\n",
       "@keyframes correct-anim {\n",
       "    100% {\n",
       "        background-color: var(--jq-correct-color);\n",
       "    }\n",
       "}\n",
       "</style>"
      ],
      "text/plain": [
       "<IPython.core.display.HTML object>"
      ]
     },
     "metadata": {},
     "output_type": "display_data"
    },
    {
     "data": {
      "application/javascript": "var questionsxafGyvDGqPKM=[{\"question\": \"Select a single answer. Which organism has the largest genome?\", \"type\": \"many_choice\", \"answers\": [{\"answer\": \"Human\", \"correct\": false, \"feedback\": \"Incorrect\"}, {\"answer\": \"Australian lungfish\", \"correct\": true, \"feedback\": \"Correct\"}, {\"answer\": \"Spanish salamander\", \"correct\": false, \"feedback\": \"Correct\"}, {\"answer\": \"Dog\", \"correct\": false, \"feedback\": \"Incorrect\"}]}];\n    // Make a random ID\nfunction makeid(length) {\n    var result = [];\n    var characters = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz';\n    var charactersLength = characters.length;\n    for (var i = 0; i < length; i++) {\n        result.push(characters.charAt(Math.floor(Math.random() * charactersLength)));\n    }\n    return result.join('');\n}\n\n// Choose a random subset of an array. Can also be used to shuffle the array\nfunction getRandomSubarray(arr, size) {\n    var shuffled = arr.slice(0), i = arr.length, temp, index;\n    while (i--) {\n        index = Math.floor((i + 1) * Math.random());\n        temp = shuffled[index];\n        shuffled[index] = shuffled[i];\n        shuffled[i] = temp;\n    }\n    return shuffled.slice(0, size);\n}\n\nfunction printResponses(responsesContainer) {\n    var responses=JSON.parse(responsesContainer.dataset.responses);\n    var stringResponses='<B>IMPORTANT!</B>To preserve this answer sequence for submission, when you have finalized your answers: <ol> <li> Copy the text in this cell below \"Answer String\"</li> <li> Double click on the cell directly below the Answer String, labeled \"Replace Me\"</li> <li> Select the whole \"Replace Me\" text</li> <li> Paste in your answer string and press shift-Enter.</li><li>Save the notebook using the save icon or File->Save Notebook menu item</li></ul><br><br><br><b>Answer String:</b><br> ';\n    console.log(responses);\n    responses.forEach((response, index) => {\n        if (response) {\n            console.log(index + ': ' + response);\n            stringResponses+= index + ': ' + response +\"<BR>\";\n        }\n    });\n    responsesContainer.innerHTML=stringResponses;\n}\n/* Callback function to determine whether a selected multiple-choice\n   button corresponded to a correct answer and to provide feedback\n   based on the answer */\nfunction check_mc() {\n    var id = this.id.split('-')[0];\n    //var response = this.id.split('-')[1];\n    //console.log(response);\n    //console.log(\"In check_mc(), id=\"+id);\n    //console.log(event.srcElement.id)           \n    //console.log(event.srcElement.dataset.correct)   \n    //console.log(event.srcElement.dataset.feedback)\n\n    var label = event.srcElement;\n    //console.log(label, label.nodeName);\n    var depth = 0;\n    while ((label.nodeName != \"LABEL\") && (depth < 20)) {\n        label = label.parentElement;\n        console.log(depth, label);\n        depth++;\n    }\n\n\n\n    var answers = label.parentElement.children;\n    //console.log(answers);\n\n    // Split behavior based on multiple choice vs many choice:\n    var fb = document.getElementById(\"fb\" + id);\n\n\n\n    /* Multiple choice (1 answer). Allow for 0 correct\n       answers as an edge case */\n    if (fb.dataset.numcorrect <= 1) {\n        // What follows is for the saved responses stuff\n        var outerContainer = fb.parentElement.parentElement;\n        var responsesContainer = document.getElementById(\"responses\" + outerContainer.id);\n        if (responsesContainer) {\n            //console.log(responsesContainer);\n            var response = label.firstChild.innerText;\n            if (label.querySelector(\".QuizCode\")){\n                response+= label.querySelector(\".QuizCode\").firstChild.innerText;\n            }\n            console.log(response);\n            //console.log(document.getElementById(\"quizWrap\"+id));\n            var qnum = document.getElementById(\"quizWrap\"+id).dataset.qnum;\n            console.log(\"Question \" + qnum);\n            //console.log(id, \", got numcorrect=\",fb.dataset.numcorrect);\n            var responses=JSON.parse(responsesContainer.dataset.responses);\n            console.log(responses);\n            responses[qnum]= response;\n            responsesContainer.setAttribute('data-responses', JSON.stringify(responses));\n            printResponses(responsesContainer);\n        }\n        // End code to preserve responses\n\n        for (var i = 0; i < answers.length; i++) {\n            var child = answers[i];\n            //console.log(child);\n            child.className = \"MCButton\";\n        }\n\n\n\n        if (label.dataset.correct == \"true\") {\n            // console.log(\"Correct action\");\n            if (\"feedback\" in label.dataset) {\n                fb.innerHTML = jaxify(label.dataset.feedback);\n            } else {\n                fb.innerHTML = \"Correct!\";\n            }\n            label.classList.add(\"correctButton\");\n\n            fb.className = \"Feedback\";\n            fb.classList.add(\"correct\");\n\n        } else {\n            if (\"feedback\" in label.dataset) {\n                fb.innerHTML = jaxify(label.dataset.feedback);\n            } else {\n                fb.innerHTML = \"Incorrect -- try again.\";\n            }\n            //console.log(\"Error action\");\n            label.classList.add(\"incorrectButton\");\n            fb.className = \"Feedback\";\n            fb.classList.add(\"incorrect\");\n        }\n    }\n    else { /* Many choice (more than 1 correct answer) */\n        var reset = false;\n        var feedback;\n         if (label.dataset.correct == \"true\") {\n            if (\"feedback\" in label.dataset) {\n                feedback = jaxify(label.dataset.feedback);\n            } else {\n                feedback = \"Correct!\";\n            }\n            if (label.dataset.answered <= 0) {\n                if (fb.dataset.answeredcorrect < 0) {\n                    fb.dataset.answeredcorrect = 1;\n                    reset = true;\n                } else {\n                    fb.dataset.answeredcorrect++;\n                }\n                if (reset) {\n                    for (var i = 0; i < answers.length; i++) {\n                        var child = answers[i];\n                        child.className = \"MCButton\";\n                        child.dataset.answered = 0;\n                    }\n                }\n                label.classList.add(\"correctButton\");\n                label.dataset.answered = 1;\n                fb.className = \"Feedback\";\n                fb.classList.add(\"correct\");\n\n            }\n        } else {\n            if (\"feedback\" in label.dataset) {\n                feedback = jaxify(label.dataset.feedback);\n            } else {\n                feedback = \"Incorrect -- try again.\";\n            }\n            if (fb.dataset.answeredcorrect > 0) {\n                fb.dataset.answeredcorrect = -1;\n                reset = true;\n            } else {\n                fb.dataset.answeredcorrect--;\n            }\n\n            if (reset) {\n                for (var i = 0; i < answers.length; i++) {\n                    var child = answers[i];\n                    child.className = \"MCButton\";\n                    child.dataset.answered = 0;\n                }\n            }\n            label.classList.add(\"incorrectButton\");\n            fb.className = \"Feedback\";\n            fb.classList.add(\"incorrect\");\n        }\n        // What follows is for the saved responses stuff\n        var outerContainer = fb.parentElement.parentElement;\n        var responsesContainer = document.getElementById(\"responses\" + outerContainer.id);\n        if (responsesContainer) {\n            //console.log(responsesContainer);\n            var response = label.firstChild.innerText;\n            if (label.querySelector(\".QuizCode\")){\n                response+= label.querySelector(\".QuizCode\").firstChild.innerText;\n            }\n            console.log(response);\n            //console.log(document.getElementById(\"quizWrap\"+id));\n            var qnum = document.getElementById(\"quizWrap\"+id).dataset.qnum;\n            console.log(\"Question \" + qnum);\n            //console.log(id, \", got numcorrect=\",fb.dataset.numcorrect);\n            var responses=JSON.parse(responsesContainer.dataset.responses);\n            if (label.dataset.correct == \"true\") {\n                if (typeof(responses[qnum]) == \"object\"){\n                    if (!responses[qnum].includes(response))\n                        responses[qnum].push(response);\n                } else{\n                    responses[qnum]= [ response ];\n                }\n            } else {\n                responses[qnum]= response;\n            }\n            console.log(responses);\n            responsesContainer.setAttribute('data-responses', JSON.stringify(responses));\n            printResponses(responsesContainer);\n        }\n        // End save responses stuff\n\n\n\n        var numcorrect = fb.dataset.numcorrect;\n        var answeredcorrect = fb.dataset.answeredcorrect;\n        if (answeredcorrect >= 0) {\n            fb.innerHTML = feedback + \" [\" + answeredcorrect + \"/\" + numcorrect + \"]\";\n        } else {\n            fb.innerHTML = feedback + \" [\" + 0 + \"/\" + numcorrect + \"]\";\n        }\n\n\n    }\n\n    if (typeof MathJax != 'undefined') {\n        var version = MathJax.version;\n        console.log('MathJax version', version);\n        if (version[0] == \"2\") {\n            MathJax.Hub.Queue([\"Typeset\", MathJax.Hub]);\n        } else if (version[0] == \"3\") {\n            MathJax.typeset([fb]);\n        }\n    } else {\n        console.log('MathJax not detected');\n    }\n\n}\n\n\n/* Function to produce the HTML buttons for a multiple choice/\n   many choice question  and to update the CSS tags based on\n   the question type */\nfunction make_mc(qa, shuffle_answers, outerqDiv, qDiv, aDiv, id) {\n\n    var shuffled;\n    if (shuffle_answers == \"True\") {\n        //console.log(shuffle_answers+\" read as true\");\n        shuffled = getRandomSubarray(qa.answers, qa.answers.length);\n    } else {\n        //console.log(shuffle_answers+\" read as false\");\n        shuffled = qa.answers;\n    }\n\n\n    var num_correct = 0;\n\n    shuffled.forEach((item, index, ans_array) => {\n        //console.log(answer);\n\n        // Make input element\n        var inp = document.createElement(\"input\");\n        inp.type = \"radio\";\n        inp.id = \"quizo\" + id + index;\n        inp.style = \"display:none;\";\n        aDiv.append(inp);\n\n        //Make label for input element\n        var lab = document.createElement(\"label\");\n        lab.className = \"MCButton\";\n        lab.id = id + '-' + index;\n        lab.onclick = check_mc;\n        var aSpan = document.createElement('span');\n        aSpan.classsName = \"\";\n        //qDiv.id=\"quizQn\"+id+index;\n        if (\"answer\" in item) {\n            aSpan.innerHTML = jaxify(item.answer);\n            //aSpan.innerHTML=item.answer;\n        }\n        lab.append(aSpan);\n\n        // Create div for code inside question\n        var codeSpan;\n        if (\"code\" in item) {\n            codeSpan = document.createElement('span');\n            codeSpan.id = \"code\" + id + index;\n            codeSpan.className = \"QuizCode\";\n            var codePre = document.createElement('pre');\n            codeSpan.append(codePre);\n            var codeCode = document.createElement('code');\n            codePre.append(codeCode);\n            codeCode.innerHTML = item.code;\n            lab.append(codeSpan);\n            //console.log(codeSpan);\n        }\n\n        //lab.textContent=item.answer;\n\n        // Set the data attributes for the answer\n        lab.setAttribute('data-correct', item.correct);\n        if (item.correct) {\n            num_correct++;\n        }\n        if (\"feedback\" in item) {\n            lab.setAttribute('data-feedback', item.feedback);\n        }\n        lab.setAttribute('data-answered', 0);\n\n        aDiv.append(lab);\n\n    });\n\n    if (num_correct > 1) {\n        outerqDiv.className = \"ManyChoiceQn\";\n    } else {\n        outerqDiv.className = \"MultipleChoiceQn\";\n    }\n\n    return num_correct;\n\n}\nfunction check_numeric(ths, event) {\n\n    if (event.keyCode === 13) {\n        ths.blur();\n\n        var id = ths.id.split('-')[0];\n\n        var submission = ths.value;\n        if (submission.indexOf('/') != -1) {\n            var sub_parts = submission.split('/');\n            //console.log(sub_parts);\n            submission = sub_parts[0] / sub_parts[1];\n        }\n        //console.log(\"Reader entered\", submission);\n\n        if (\"precision\" in ths.dataset) {\n            var precision = ths.dataset.precision;\n            submission = Number(Number(submission).toPrecision(precision));\n        }\n\n\n        //console.log(\"In check_numeric(), id=\"+id);\n        //console.log(event.srcElement.id)           \n        //console.log(event.srcElement.dataset.feedback)\n\n        var fb = document.getElementById(\"fb\" + id);\n        fb.style.display = \"none\";\n        fb.innerHTML = \"Incorrect -- try again.\";\n\n        var answers = JSON.parse(ths.dataset.answers);\n        //console.log(answers);\n\n        var defaultFB = \"Incorrect. Try again.\";\n        var correct;\n        var done = false;\n        answers.every(answer => {\n            //console.log(answer.type);\n\n            correct = false;\n            // if (answer.type==\"value\"){\n            if ('value' in answer) {\n                if (submission == answer.value) {\n                    if (\"feedback\" in answer) {\n                        fb.innerHTML = jaxify(answer.feedback);\n                    } else {\n                        fb.innerHTML = jaxify(\"Correct\");\n                    }\n                    correct = answer.correct;\n                    //console.log(answer.correct);\n                    done = true;\n                }\n                // } else if (answer.type==\"range\") {\n            } else if ('range' in answer) {\n                console.log(answer.range);\n                console.log(submission, submission >=answer.range[0], submission < answer.range[1])\n                if ((submission >= answer.range[0]) && (submission < answer.range[1])) {\n                    fb.innerHTML = jaxify(answer.feedback);\n                    correct = answer.correct;\n                    console.log(answer.correct);\n                    done = true;\n                }\n            } else if (answer.type == \"default\") {\n                if (\"feedback\" in answer) {\n                    defaultFB = answer.feedback;\n                } \n            }\n            if (done) {\n                return false; // Break out of loop if this has been marked correct\n            } else {\n                return true; // Keep looking for case that includes this as a correct answer\n            }\n        });\n        console.log(\"done:\", done);\n\n        if ((!done) && (defaultFB != \"\")) {\n            fb.innerHTML = jaxify(defaultFB);\n            //console.log(\"Default feedback\", defaultFB);\n        }\n\n        fb.style.display = \"block\";\n        if (correct) {\n            ths.className = \"Input-text\";\n            ths.classList.add(\"correctButton\");\n            fb.className = \"Feedback\";\n            fb.classList.add(\"correct\");\n        } else {\n            ths.className = \"Input-text\";\n            ths.classList.add(\"incorrectButton\");\n            fb.className = \"Feedback\";\n            fb.classList.add(\"incorrect\");\n        }\n\n        // What follows is for the saved responses stuff\n        var outerContainer = fb.parentElement.parentElement;\n        var responsesContainer = document.getElementById(\"responses\" + outerContainer.id);\n        if (responsesContainer) {\n            console.log(submission);\n            var qnum = document.getElementById(\"quizWrap\"+id).dataset.qnum;\n            //console.log(\"Question \" + qnum);\n            //console.log(id, \", got numcorrect=\",fb.dataset.numcorrect);\n            var responses=JSON.parse(responsesContainer.dataset.responses);\n            console.log(responses);\n            if (submission == ths.value){\n                responses[qnum]= submission;\n            } else {\n                responses[qnum]= ths.value + \"(\" + submission +\")\";\n            }\n            responsesContainer.setAttribute('data-responses', JSON.stringify(responses));\n            printResponses(responsesContainer);\n        }\n        // End code to preserve responses\n\n        if (typeof MathJax != 'undefined') {\n            var version = MathJax.version;\n            console.log('MathJax version', version);\n            if (version[0] == \"2\") {\n                MathJax.Hub.Queue([\"Typeset\", MathJax.Hub]);\n            } else if (version[0] == \"3\") {\n                MathJax.typeset([fb]);\n            }\n        } else {\n            console.log('MathJax not detected');\n        }\n        return false;\n    }\n\n}\n\nfunction isValid(el, charC) {\n    //console.log(\"Input char: \", charC);\n    if (charC == 46) {\n        if (el.value.indexOf('.') === -1) {\n            return true;\n        } else if (el.value.indexOf('/') != -1) {\n            var parts = el.value.split('/');\n            if (parts[1].indexOf('.') === -1) {\n                return true;\n            }\n        }\n        else {\n            return false;\n        }\n    } else if (charC == 47) {\n        if (el.value.indexOf('/') === -1) {\n            if ((el.value != \"\") && (el.value != \".\")) {\n                return true;\n            } else {\n                return false;\n            }\n        } else {\n            return false;\n        }\n    } else if (charC == 45) {\n        var edex = el.value.indexOf('e');\n        if (edex == -1) {\n            edex = el.value.indexOf('E');\n        }\n\n        if (el.value == \"\") {\n            return true;\n        } else if (edex == (el.value.length - 1)) { // If just after e or E\n            return true;\n        } else {\n            return false;\n        }\n    } else if (charC == 101) { // \"e\"\n        if ((el.value.indexOf('e') === -1) && (el.value.indexOf('E') === -1) && (el.value.indexOf('/') == -1)) {\n            // Prev symbol must be digit or decimal point:\n            if (el.value.slice(-1).search(/\\d/) >= 0) {\n                return true;\n            } else if (el.value.slice(-1).search(/\\./) >= 0) {\n                return true;\n            } else {\n                return false;\n            }\n        } else {\n            return false;\n        }\n    } else {\n        if (charC > 31 && (charC < 48 || charC > 57))\n            return false;\n    }\n    return true;\n}\n\nfunction numeric_keypress(evnt) {\n    var charC = (evnt.which) ? evnt.which : evnt.keyCode;\n\n    if (charC == 13) {\n        check_numeric(this, evnt);\n    } else {\n        return isValid(this, charC);\n    }\n}\n\n\n\n\n\nfunction make_numeric(qa, outerqDiv, qDiv, aDiv, id) {\n\n\n\n    //console.log(answer);\n\n\n    outerqDiv.className = \"NumericQn\";\n    aDiv.style.display = 'block';\n\n    var lab = document.createElement(\"label\");\n    lab.className = \"InpLabel\";\n    lab.innerHTML = \"Type numeric answer here:\";\n    aDiv.append(lab);\n\n    var inp = document.createElement(\"input\");\n    inp.type = \"text\";\n    //inp.id=\"input-\"+id;\n    inp.id = id + \"-0\";\n    inp.className = \"Input-text\";\n    inp.setAttribute('data-answers', JSON.stringify(qa.answers));\n    if (\"precision\" in qa) {\n        inp.setAttribute('data-precision', qa.precision);\n    }\n    aDiv.append(inp);\n    //console.log(inp);\n\n    //inp.addEventListener(\"keypress\", check_numeric);\n    //inp.addEventListener(\"keypress\", numeric_keypress);\n    /*\n    inp.addEventListener(\"keypress\", function(event) {\n        return numeric_keypress(this, event);\n    }\n                        );\n                        */\n    //inp.onkeypress=\"return numeric_keypress(this, event)\";\n    inp.onkeypress = numeric_keypress;\n    inp.onpaste = event => false;\n\n    inp.addEventListener(\"focus\", function (event) {\n        this.value = \"\";\n        return false;\n    }\n    );\n\n\n}\nfunction jaxify(string) {\n    var mystring = string;\n\n    var count = 0;\n    var loc = mystring.search(/([^\\\\]|^)(\\$)/);\n\n    var count2 = 0;\n    var loc2 = mystring.search(/([^\\\\]|^)(\\$\\$)/);\n\n    //console.log(loc);\n\n    while ((loc >= 0) || (loc2 >= 0)) {\n\n        /* Have to replace all the double $$ first with current implementation */\n        if (loc2 >= 0) {\n            if (count2 % 2 == 0) {\n                mystring = mystring.replace(/([^\\\\]|^)(\\$\\$)/, \"$1\\\\[\");\n            } else {\n                mystring = mystring.replace(/([^\\\\]|^)(\\$\\$)/, \"$1\\\\]\");\n            }\n            count2++;\n        } else {\n            if (count % 2 == 0) {\n                mystring = mystring.replace(/([^\\\\]|^)(\\$)/, \"$1\\\\(\");\n            } else {\n                mystring = mystring.replace(/([^\\\\]|^)(\\$)/, \"$1\\\\)\");\n            }\n            count++;\n        }\n        loc = mystring.search(/([^\\\\]|^)(\\$)/);\n        loc2 = mystring.search(/([^\\\\]|^)(\\$\\$)/);\n        //console.log(mystring,\", loc:\",loc,\", loc2:\",loc2);\n    }\n\n    // repace markdown style links with actual links\n    mystring = mystring.replace(/<(.*?)>/, '<a href=\"$1\" target=\"_blank\" class=\"Link\">$1</a>');\n    mystring = mystring.replace(/\\[(.*?)\\]\\((.*?)\\)/, '<a href=\"$2\" target=\"_blank\" class=\"Link\">$1</a>');\n\n    //console.log(mystring);\n    return mystring;\n}\n\n\nfunction show_questions(json, mydiv) {\n    console.log('show_questions');\n    //var mydiv=document.getElementById(myid);\n    var shuffle_questions = mydiv.dataset.shufflequestions;\n    var num_questions = mydiv.dataset.numquestions;\n    var shuffle_answers = mydiv.dataset.shuffleanswers;\n    var max_width = mydiv.dataset.maxwidth;\n\n    if (num_questions > json.length) {\n        num_questions = json.length;\n    }\n\n    var questions;\n    if ((num_questions < json.length) || (shuffle_questions == \"True\")) {\n        //console.log(num_questions+\",\"+json.length);\n        questions = getRandomSubarray(json, num_questions);\n    } else {\n        questions = json;\n    }\n\n    //console.log(\"SQ: \"+shuffle_questions+\", NQ: \" + num_questions + \", SA: \", shuffle_answers);\n\n    // Iterate over questions\n    questions.forEach((qa, index, array) => {\n        //console.log(qa.question); \n\n        var id = makeid(8);\n        //console.log(id);\n\n\n        // Create Div to contain question and answers\n        var iDiv = document.createElement('div');\n        //iDiv.id = 'quizWrap' + id + index;\n        iDiv.id = 'quizWrap' + id;\n        iDiv.className = 'Quiz';\n        iDiv.setAttribute('data-qnum', index);\n        iDiv.style.maxWidth  =max_width+\"px\";\n        mydiv.appendChild(iDiv);\n        // iDiv.innerHTML=qa.question;\n        \n        var outerqDiv = document.createElement('div');\n        outerqDiv.id = \"OuterquizQn\" + id + index;\n        // Create div to contain question part\n        var qDiv = document.createElement('div');\n        qDiv.id = \"quizQn\" + id + index;\n        \n        if (qa.question) {\n            iDiv.append(outerqDiv);\n\n            //qDiv.textContent=qa.question;\n            qDiv.innerHTML = jaxify(qa.question);\n            outerqDiv.append(qDiv);\n        }\n\n        // Create div for code inside question\n        var codeDiv;\n        if (\"code\" in qa) {\n            codeDiv = document.createElement('div');\n            codeDiv.id = \"code\" + id + index;\n            codeDiv.className = \"QuizCode\";\n            var codePre = document.createElement('pre');\n            codeDiv.append(codePre);\n            var codeCode = document.createElement('code');\n            codePre.append(codeCode);\n            codeCode.innerHTML = qa.code;\n            outerqDiv.append(codeDiv);\n            //console.log(codeDiv);\n        }\n\n\n        // Create div to contain answer part\n        var aDiv = document.createElement('div');\n        aDiv.id = \"quizAns\" + id + index;\n        aDiv.className = 'Answer';\n        iDiv.append(aDiv);\n\n        //console.log(qa.type);\n\n        var num_correct;\n        if ((qa.type == \"multiple_choice\") || (qa.type == \"many_choice\") ) {\n            num_correct = make_mc(qa, shuffle_answers, outerqDiv, qDiv, aDiv, id);\n            if (\"answer_cols\" in qa) {\n                //aDiv.style.gridTemplateColumns = 'auto '.repeat(qa.answer_cols);\n                aDiv.style.gridTemplateColumns = 'repeat(' + qa.answer_cols + ', 1fr)';\n            }\n        } else if (qa.type == \"numeric\") {\n            //console.log(\"numeric\");\n            make_numeric(qa, outerqDiv, qDiv, aDiv, id);\n        }\n\n\n        //Make div for feedback\n        var fb = document.createElement(\"div\");\n        fb.id = \"fb\" + id;\n        //fb.style=\"font-size: 20px;text-align:center;\";\n        fb.className = \"Feedback\";\n        fb.setAttribute(\"data-answeredcorrect\", 0);\n        fb.setAttribute(\"data-numcorrect\", num_correct);\n        iDiv.append(fb);\n\n\n    });\n    var preserveResponses = mydiv.dataset.preserveresponses;\n    console.log(preserveResponses);\n    console.log(preserveResponses == \"true\");\n    if (preserveResponses == \"true\") {\n        console.log(preserveResponses);\n        // Create Div to contain record of answers\n        var iDiv = document.createElement('div');\n        iDiv.id = 'responses' + mydiv.id;\n        iDiv.className = 'JCResponses';\n        // Create a place to store responses as an empty array\n        iDiv.setAttribute('data-responses', '[]');\n\n        // Dummy Text\n        iDiv.innerHTML=\"<b>Select your answers and then follow the directions that will appear here.</b>\"\n        //iDiv.className = 'Quiz';\n        mydiv.appendChild(iDiv);\n    }\n//console.log(\"At end of show_questions\");\n    if (typeof MathJax != 'undefined') {\n        console.log(\"MathJax version\", MathJax.version);\n        var version = MathJax.version;\n        setTimeout(function(){\n            var version = MathJax.version;\n            console.log('After sleep, MathJax version', version);\n            if (version[0] == \"2\") {\n                MathJax.Hub.Queue([\"Typeset\", MathJax.Hub]);\n            } else if (version[0] == \"3\") {\n                if (MathJax.hasOwnProperty('typeset') ) {\n                    MathJax.typeset([mydiv]);\n                } else {\n                    console.log('WARNING: Trying to force load MathJax 3');\n                    window.MathJax = {\n                        tex: {\n                            inlineMath: [['$', '$'], ['\\\\(', '\\\\)']]\n                        },\n                        svg: {\n                            fontCache: 'global'\n                        }\n                    };\n\n                    (function () {\n                        var script = document.createElement('script');\n                        script.src = 'https://cdn.jsdelivr.net/npm/mathjax@3/es5/tex-svg.js';\n                        script.async = true;\n                        document.head.appendChild(script);\n                    })();\n                }\n            }\n        }, 500);\nif (typeof version == 'undefined') {\n        } else\n        {\n            if (version[0] == \"2\") {\n                MathJax.Hub.Queue([\"Typeset\", MathJax.Hub]);\n            } else if (version[0] == \"3\") {\n                if (MathJax.hasOwnProperty('typeset') ) {\n                    MathJax.typeset([mydiv]);\n                } else {\n                    console.log('WARNING: Trying to force load MathJax 3');\n                    window.MathJax = {\n                        tex: {\n                            inlineMath: [['$', '$'], ['\\\\(', '\\\\)']]\n                        },\n                        svg: {\n                            fontCache: 'global'\n                        }\n                    };\n\n                    (function () {\n                        var script = document.createElement('script');\n                        script.src = 'https://cdn.jsdelivr.net/npm/mathjax@3/es5/tex-svg.js';\n                        script.async = true;\n                        document.head.appendChild(script);\n                    })();\n                }\n            } else {\n                console.log(\"MathJax not found\");\n            }\n        }\n    }\n\n    // stop event propagation for the .Link class\n    var links = document.getElementsByClassName('Link')\n    for (var i = 0; i < links.length; i++) {\n        links[i].addEventListener('click', function(e){\n            e.stopPropagation();\n        });\n    }\n\n    return false;\n}\n/* This is to handle asynchrony issues in loading Jupyter notebooks\n           where the quiz has been previously run. The Javascript was generally\n           being run before the div was added to the DOM. I tried to do this\n           more elegantly using Mutation Observer, but I didn't get it to work.\n\n           Someone more knowledgeable could make this better ;-) */\n\n        function try_show() {\n          if(document.getElementById(\"xafGyvDGqPKM\")) {\n            show_questions(questionsxafGyvDGqPKM,  xafGyvDGqPKM); \n          } else {\n             setTimeout(try_show, 200);\n          }\n        };\n    \n        {\n        // console.log(element);\n\n        //console.log(\"xafGyvDGqPKM\");\n        // console.log(document.getElementById(\"xafGyvDGqPKM\"));\n\n        try_show();\n        }\n        ",
      "text/plain": [
       "<IPython.core.display.Javascript object>"
      ]
     },
     "metadata": {},
     "output_type": "display_data"
    }
   ],
   "source": [
    "#Assessment Q2\n",
    "display_quiz(\"sc_quiz.json\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "bafc43f9-1710-4b7c-93db-bda86d43ee1a",
   "metadata": {},
   "outputs": [],
   "source": [
    "#Provide string value for correct answer to Q2 defined as variable a2:\n",
    "a2 = 'Australian lungfish'"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 30,
   "id": "eae6a3a8-1be0-4383-83b3-ad414c9e69a2",
   "metadata": {
    "tags": []
   },
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div id=\"kJcbfufyDOln\" data-shufflequestions=\"False\"\n",
       "               data-shuffleanswers=\"True\"\n",
       "               data-preserveresponses=\"false\"\n",
       "               data-numquestions=\"1000000\"\n",
       "               data-maxwidth=\"600\"\n",
       "               style=\"border-radius: 10px; text-align: left\"> <style>\n",
       "#kJcbfufyDOln {\n",
       "   --jq-multiple-choice-bg: #6f78ffff;\n",
       "   --jq-mc-button-bg: #fafafa;\n",
       "   --jq-mc-button-border: #e0e0e0e0;\n",
       "   --jq-mc-button-inset-shadow: #555555;\n",
       "   --jq-many-choice-bg: #f75c03ff;\n",
       "   --jq-numeric-bg: #392061ff;\n",
       "   --jq-numeric-input-bg: #c0c0c0;\n",
       "   --jq-numeric-input-label: #101010;\n",
       "   --jq-numeric-input-shadow: #999999;\n",
       "   --jq-incorrect-color: #c80202;\n",
       "   --jq-correct-color: #009113;\n",
       "   --jq-text-color: #fafafa;\n",
       "}\n",
       "\n",
       ".Quiz {\n",
       "    max-width: 600px;\n",
       "    margin-top: 15px;\n",
       "    margin-left: auto;\n",
       "    margin-right: auto;\n",
       "/*    margin-bottom: 15px;*/\n",
       "/*    padding-bottom: 4px;*/\n",
       "    padding-top: 4px;\n",
       "    line-height: 1.1;\n",
       "    font-size: 16pt;\n",
       "    border-radius: inherit;\n",
       "}\n",
       "\n",
       ".QuizCode {\n",
       "    font-size: 14pt;\n",
       "    margin-top: 10px;\n",
       "    margin-left: 20px;\n",
       "    margin-right: 20px;\n",
       "}\n",
       "\n",
       ".QuizCode>pre {\n",
       "    padding: 4px;\n",
       "}\n",
       "\n",
       ".Quiz code {\n",
       "    background-color: lightgray;\n",
       "    color: black;\n",
       "}\n",
       "\n",
       ".Quiz .QuizCode code {\n",
       "    background-color: inherit;\n",
       "    color: inherit;\n",
       "}\n",
       "\n",
       "\n",
       ".Quiz .MCButton code {\n",
       "    background-color: inherit;\n",
       "    color: inherit;\n",
       "}\n",
       "\n",
       ".MCButton .QuizCode {\n",
       "    text-align: left;\n",
       "}\n",
       "\n",
       "\n",
       "\n",
       "\n",
       ".Answer {\n",
       "    border-radius: inherit;\n",
       "    display: grid;\n",
       "    grid-gap: 10px;\n",
       "    grid-template-columns: 1fr 1fr;\n",
       "    margin: 10px 0;\n",
       "}\n",
       "\n",
       "@media only screen and (max-width:480px) {\n",
       "    .Answer {\n",
       "        grid-template-columns: 1fr;\n",
       "    }\n",
       "\n",
       "}\n",
       "\n",
       ".Feedback {\n",
       "    font-size: 16pt;\n",
       "    text-align: center;\n",
       "/*    min-height: 2em;*/\n",
       "}\n",
       "\n",
       ".Input {\n",
       "    align: left;\n",
       "    font-size: 20pt;\n",
       "}\n",
       "\n",
       ".Input-text {\n",
       "    display: block;\n",
       "    margin: 10px;\n",
       "    color: inherit;\n",
       "    width: 140px;\n",
       "    background-color: var(--jq-numeric-input-bg);\n",
       "    color: var(--jq-text-color);\n",
       "    padding: 5px;\n",
       "    padding-left: 10px;\n",
       "    font-family: inherit;\n",
       "    font-size: 20px;\n",
       "    font-weight: inherit;\n",
       "    line-height: 20pt;\n",
       "    border: none;\n",
       "    border-radius: 0.2rem;\n",
       "    transition: box-shadow 0.1s);\n",
       "}\n",
       "\n",
       ".Input-text:focus {\n",
       "    /*outline: none;*/\n",
       "    background-color: var(--jq-numeric-input-bg);\n",
       "    box-shadow: 0.6rem 0.8rem 1.4rem -0.5rem var(--jq-numeric-input-shadow);\n",
       "}\n",
       "\n",
       ".MCButton {\n",
       "    background: var(--jq-mc-button-bg);\n",
       "    border: 1px solid var(--jq-mc-button-border);\n",
       "    border-radius: inherit;\n",
       "    color: #333333;\n",
       "    padding: 10px;\n",
       "    font-size: 16px;\n",
       "    cursor: pointer;\n",
       "    text-align: center;\n",
       "    display: flex;\n",
       "    align-items: center;\n",
       "    justify-content: center;\n",
       "}\n",
       "\n",
       ".MCButton p {\n",
       "    color: inherit;\n",
       "}\n",
       "\n",
       ".MultipleChoiceQn {\n",
       "    padding: 10px;\n",
       "    background: var(--jq-multiple-choice-bg);\n",
       "    color: var(--jq-text-color);\n",
       "    border-radius: inherit;\n",
       "}\n",
       "\n",
       ".ManyChoiceQn {\n",
       "    padding: 10px;\n",
       "    background: var(--jq-many-choice-bg);\n",
       "    color: var(--jq-text-color);\n",
       "    border-radius: inherit;\n",
       "}\n",
       "\n",
       ".NumericQn {\n",
       "    background: var(--jq-numeric-bg);\n",
       "    border-radius: inherit;\n",
       "    color: var(--jq-text-color);\n",
       "    padding: 10px;\n",
       "}\n",
       "\n",
       ".NumericQn p {\n",
       "    color: inherit;\n",
       "}\n",
       "\n",
       ".InpLabel {\n",
       "    color: var(--jq-numeric-input-label);\n",
       "    float: left;\n",
       "    font-size: 15pt;\n",
       "    line-height: 34px;\n",
       "    margin-right: 10px;\n",
       "}\n",
       "\n",
       ".incorrect {\n",
       "    color: var(--jq-incorrect-color);\n",
       "}\n",
       "\n",
       ".correct {\n",
       "    color: var(--jq-correct-color);\n",
       "}\n",
       "\n",
       ".correctButton {\n",
       "    /*\n",
       "    background: var(--jq-correct-color);\n",
       "   */\n",
       "    animation: correct-anim 0.6s ease;\n",
       "    animation-fill-mode: forwards;\n",
       "    box-shadow: inset 0 0 5px var(--jq-mc-button-inset-shadow);\n",
       "    color: var(--jq-text-color);\n",
       "    /*outline: none;*/\n",
       "}\n",
       "\n",
       ".incorrectButton {\n",
       "    animation: incorrect-anim 0.8s ease;\n",
       "    animation-fill-mode: forwards;\n",
       "    box-shadow: inset 0 0 5px var(--jq-mc-button-inset-shadow);\n",
       "    color: var(--jq-text-color);\n",
       "    /*outline: none;*/\n",
       "}\n",
       "\n",
       "@keyframes incorrect-anim {\n",
       "    100% {\n",
       "        background-color: var(--jq-incorrect-color);\n",
       "    }\n",
       "}\n",
       "\n",
       "@keyframes correct-anim {\n",
       "    100% {\n",
       "        background-color: var(--jq-correct-color);\n",
       "    }\n",
       "}\n",
       "</style>"
      ],
      "text/plain": [
       "<IPython.core.display.HTML object>"
      ]
     },
     "metadata": {},
     "output_type": "display_data"
    },
    {
     "data": {
      "application/javascript": "var questionskJcbfufyDOln=[{\"question\": \"How many classes of Fc gamma receptors are found in mice?\", \"type\": \"numeric\", \"answers\": [{\"type\": \"value\", \"value\": 1, \"correct\": false, \"feedback\": \"Incorrect\"}, {\"type\": \"value\", \"value\": 0, \"correct\": false, \"feedback\": \"Incorrect\"}, {\"type\": \"value\", \"value\": 4, \"correct\": true, \"feedback\": \"Correct\"}, {\"type\": \"value\", \"value\": 2, \"correct\": false, \"feedback\": \"Incorrect\"}]}];\n    // Make a random ID\nfunction makeid(length) {\n    var result = [];\n    var characters = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz';\n    var charactersLength = characters.length;\n    for (var i = 0; i < length; i++) {\n        result.push(characters.charAt(Math.floor(Math.random() * charactersLength)));\n    }\n    return result.join('');\n}\n\n// Choose a random subset of an array. Can also be used to shuffle the array\nfunction getRandomSubarray(arr, size) {\n    var shuffled = arr.slice(0), i = arr.length, temp, index;\n    while (i--) {\n        index = Math.floor((i + 1) * Math.random());\n        temp = shuffled[index];\n        shuffled[index] = shuffled[i];\n        shuffled[i] = temp;\n    }\n    return shuffled.slice(0, size);\n}\n\nfunction printResponses(responsesContainer) {\n    var responses=JSON.parse(responsesContainer.dataset.responses);\n    var stringResponses='<B>IMPORTANT!</B>To preserve this answer sequence for submission, when you have finalized your answers: <ol> <li> Copy the text in this cell below \"Answer String\"</li> <li> Double click on the cell directly below the Answer String, labeled \"Replace Me\"</li> <li> Select the whole \"Replace Me\" text</li> <li> Paste in your answer string and press shift-Enter.</li><li>Save the notebook using the save icon or File->Save Notebook menu item</li></ul><br><br><br><b>Answer String:</b><br> ';\n    console.log(responses);\n    responses.forEach((response, index) => {\n        if (response) {\n            console.log(index + ': ' + response);\n            stringResponses+= index + ': ' + response +\"<BR>\";\n        }\n    });\n    responsesContainer.innerHTML=stringResponses;\n}\n/* Callback function to determine whether a selected multiple-choice\n   button corresponded to a correct answer and to provide feedback\n   based on the answer */\nfunction check_mc() {\n    var id = this.id.split('-')[0];\n    //var response = this.id.split('-')[1];\n    //console.log(response);\n    //console.log(\"In check_mc(), id=\"+id);\n    //console.log(event.srcElement.id)           \n    //console.log(event.srcElement.dataset.correct)   \n    //console.log(event.srcElement.dataset.feedback)\n\n    var label = event.srcElement;\n    //console.log(label, label.nodeName);\n    var depth = 0;\n    while ((label.nodeName != \"LABEL\") && (depth < 20)) {\n        label = label.parentElement;\n        console.log(depth, label);\n        depth++;\n    }\n\n\n\n    var answers = label.parentElement.children;\n    //console.log(answers);\n\n    // Split behavior based on multiple choice vs many choice:\n    var fb = document.getElementById(\"fb\" + id);\n\n\n\n    /* Multiple choice (1 answer). Allow for 0 correct\n       answers as an edge case */\n    if (fb.dataset.numcorrect <= 1) {\n        // What follows is for the saved responses stuff\n        var outerContainer = fb.parentElement.parentElement;\n        var responsesContainer = document.getElementById(\"responses\" + outerContainer.id);\n        if (responsesContainer) {\n            //console.log(responsesContainer);\n            var response = label.firstChild.innerText;\n            if (label.querySelector(\".QuizCode\")){\n                response+= label.querySelector(\".QuizCode\").firstChild.innerText;\n            }\n            console.log(response);\n            //console.log(document.getElementById(\"quizWrap\"+id));\n            var qnum = document.getElementById(\"quizWrap\"+id).dataset.qnum;\n            console.log(\"Question \" + qnum);\n            //console.log(id, \", got numcorrect=\",fb.dataset.numcorrect);\n            var responses=JSON.parse(responsesContainer.dataset.responses);\n            console.log(responses);\n            responses[qnum]= response;\n            responsesContainer.setAttribute('data-responses', JSON.stringify(responses));\n            printResponses(responsesContainer);\n        }\n        // End code to preserve responses\n\n        for (var i = 0; i < answers.length; i++) {\n            var child = answers[i];\n            //console.log(child);\n            child.className = \"MCButton\";\n        }\n\n\n\n        if (label.dataset.correct == \"true\") {\n            // console.log(\"Correct action\");\n            if (\"feedback\" in label.dataset) {\n                fb.innerHTML = jaxify(label.dataset.feedback);\n            } else {\n                fb.innerHTML = \"Correct!\";\n            }\n            label.classList.add(\"correctButton\");\n\n            fb.className = \"Feedback\";\n            fb.classList.add(\"correct\");\n\n        } else {\n            if (\"feedback\" in label.dataset) {\n                fb.innerHTML = jaxify(label.dataset.feedback);\n            } else {\n                fb.innerHTML = \"Incorrect -- try again.\";\n            }\n            //console.log(\"Error action\");\n            label.classList.add(\"incorrectButton\");\n            fb.className = \"Feedback\";\n            fb.classList.add(\"incorrect\");\n        }\n    }\n    else { /* Many choice (more than 1 correct answer) */\n        var reset = false;\n        var feedback;\n         if (label.dataset.correct == \"true\") {\n            if (\"feedback\" in label.dataset) {\n                feedback = jaxify(label.dataset.feedback);\n            } else {\n                feedback = \"Correct!\";\n            }\n            if (label.dataset.answered <= 0) {\n                if (fb.dataset.answeredcorrect < 0) {\n                    fb.dataset.answeredcorrect = 1;\n                    reset = true;\n                } else {\n                    fb.dataset.answeredcorrect++;\n                }\n                if (reset) {\n                    for (var i = 0; i < answers.length; i++) {\n                        var child = answers[i];\n                        child.className = \"MCButton\";\n                        child.dataset.answered = 0;\n                    }\n                }\n                label.classList.add(\"correctButton\");\n                label.dataset.answered = 1;\n                fb.className = \"Feedback\";\n                fb.classList.add(\"correct\");\n\n            }\n        } else {\n            if (\"feedback\" in label.dataset) {\n                feedback = jaxify(label.dataset.feedback);\n            } else {\n                feedback = \"Incorrect -- try again.\";\n            }\n            if (fb.dataset.answeredcorrect > 0) {\n                fb.dataset.answeredcorrect = -1;\n                reset = true;\n            } else {\n                fb.dataset.answeredcorrect--;\n            }\n\n            if (reset) {\n                for (var i = 0; i < answers.length; i++) {\n                    var child = answers[i];\n                    child.className = \"MCButton\";\n                    child.dataset.answered = 0;\n                }\n            }\n            label.classList.add(\"incorrectButton\");\n            fb.className = \"Feedback\";\n            fb.classList.add(\"incorrect\");\n        }\n        // What follows is for the saved responses stuff\n        var outerContainer = fb.parentElement.parentElement;\n        var responsesContainer = document.getElementById(\"responses\" + outerContainer.id);\n        if (responsesContainer) {\n            //console.log(responsesContainer);\n            var response = label.firstChild.innerText;\n            if (label.querySelector(\".QuizCode\")){\n                response+= label.querySelector(\".QuizCode\").firstChild.innerText;\n            }\n            console.log(response);\n            //console.log(document.getElementById(\"quizWrap\"+id));\n            var qnum = document.getElementById(\"quizWrap\"+id).dataset.qnum;\n            console.log(\"Question \" + qnum);\n            //console.log(id, \", got numcorrect=\",fb.dataset.numcorrect);\n            var responses=JSON.parse(responsesContainer.dataset.responses);\n            if (label.dataset.correct == \"true\") {\n                if (typeof(responses[qnum]) == \"object\"){\n                    if (!responses[qnum].includes(response))\n                        responses[qnum].push(response);\n                } else{\n                    responses[qnum]= [ response ];\n                }\n            } else {\n                responses[qnum]= response;\n            }\n            console.log(responses);\n            responsesContainer.setAttribute('data-responses', JSON.stringify(responses));\n            printResponses(responsesContainer);\n        }\n        // End save responses stuff\n\n\n\n        var numcorrect = fb.dataset.numcorrect;\n        var answeredcorrect = fb.dataset.answeredcorrect;\n        if (answeredcorrect >= 0) {\n            fb.innerHTML = feedback + \" [\" + answeredcorrect + \"/\" + numcorrect + \"]\";\n        } else {\n            fb.innerHTML = feedback + \" [\" + 0 + \"/\" + numcorrect + \"]\";\n        }\n\n\n    }\n\n    if (typeof MathJax != 'undefined') {\n        var version = MathJax.version;\n        console.log('MathJax version', version);\n        if (version[0] == \"2\") {\n            MathJax.Hub.Queue([\"Typeset\", MathJax.Hub]);\n        } else if (version[0] == \"3\") {\n            MathJax.typeset([fb]);\n        }\n    } else {\n        console.log('MathJax not detected');\n    }\n\n}\n\n\n/* Function to produce the HTML buttons for a multiple choice/\n   many choice question  and to update the CSS tags based on\n   the question type */\nfunction make_mc(qa, shuffle_answers, outerqDiv, qDiv, aDiv, id) {\n\n    var shuffled;\n    if (shuffle_answers == \"True\") {\n        //console.log(shuffle_answers+\" read as true\");\n        shuffled = getRandomSubarray(qa.answers, qa.answers.length);\n    } else {\n        //console.log(shuffle_answers+\" read as false\");\n        shuffled = qa.answers;\n    }\n\n\n    var num_correct = 0;\n\n    shuffled.forEach((item, index, ans_array) => {\n        //console.log(answer);\n\n        // Make input element\n        var inp = document.createElement(\"input\");\n        inp.type = \"radio\";\n        inp.id = \"quizo\" + id + index;\n        inp.style = \"display:none;\";\n        aDiv.append(inp);\n\n        //Make label for input element\n        var lab = document.createElement(\"label\");\n        lab.className = \"MCButton\";\n        lab.id = id + '-' + index;\n        lab.onclick = check_mc;\n        var aSpan = document.createElement('span');\n        aSpan.classsName = \"\";\n        //qDiv.id=\"quizQn\"+id+index;\n        if (\"answer\" in item) {\n            aSpan.innerHTML = jaxify(item.answer);\n            //aSpan.innerHTML=item.answer;\n        }\n        lab.append(aSpan);\n\n        // Create div for code inside question\n        var codeSpan;\n        if (\"code\" in item) {\n            codeSpan = document.createElement('span');\n            codeSpan.id = \"code\" + id + index;\n            codeSpan.className = \"QuizCode\";\n            var codePre = document.createElement('pre');\n            codeSpan.append(codePre);\n            var codeCode = document.createElement('code');\n            codePre.append(codeCode);\n            codeCode.innerHTML = item.code;\n            lab.append(codeSpan);\n            //console.log(codeSpan);\n        }\n\n        //lab.textContent=item.answer;\n\n        // Set the data attributes for the answer\n        lab.setAttribute('data-correct', item.correct);\n        if (item.correct) {\n            num_correct++;\n        }\n        if (\"feedback\" in item) {\n            lab.setAttribute('data-feedback', item.feedback);\n        }\n        lab.setAttribute('data-answered', 0);\n\n        aDiv.append(lab);\n\n    });\n\n    if (num_correct > 1) {\n        outerqDiv.className = \"ManyChoiceQn\";\n    } else {\n        outerqDiv.className = \"MultipleChoiceQn\";\n    }\n\n    return num_correct;\n\n}\nfunction check_numeric(ths, event) {\n\n    if (event.keyCode === 13) {\n        ths.blur();\n\n        var id = ths.id.split('-')[0];\n\n        var submission = ths.value;\n        if (submission.indexOf('/') != -1) {\n            var sub_parts = submission.split('/');\n            //console.log(sub_parts);\n            submission = sub_parts[0] / sub_parts[1];\n        }\n        //console.log(\"Reader entered\", submission);\n\n        if (\"precision\" in ths.dataset) {\n            var precision = ths.dataset.precision;\n            submission = Number(Number(submission).toPrecision(precision));\n        }\n\n\n        //console.log(\"In check_numeric(), id=\"+id);\n        //console.log(event.srcElement.id)           \n        //console.log(event.srcElement.dataset.feedback)\n\n        var fb = document.getElementById(\"fb\" + id);\n        fb.style.display = \"none\";\n        fb.innerHTML = \"Incorrect -- try again.\";\n\n        var answers = JSON.parse(ths.dataset.answers);\n        //console.log(answers);\n\n        var defaultFB = \"Incorrect. Try again.\";\n        var correct;\n        var done = false;\n        answers.every(answer => {\n            //console.log(answer.type);\n\n            correct = false;\n            // if (answer.type==\"value\"){\n            if ('value' in answer) {\n                if (submission == answer.value) {\n                    if (\"feedback\" in answer) {\n                        fb.innerHTML = jaxify(answer.feedback);\n                    } else {\n                        fb.innerHTML = jaxify(\"Correct\");\n                    }\n                    correct = answer.correct;\n                    //console.log(answer.correct);\n                    done = true;\n                }\n                // } else if (answer.type==\"range\") {\n            } else if ('range' in answer) {\n                console.log(answer.range);\n                console.log(submission, submission >=answer.range[0], submission < answer.range[1])\n                if ((submission >= answer.range[0]) && (submission < answer.range[1])) {\n                    fb.innerHTML = jaxify(answer.feedback);\n                    correct = answer.correct;\n                    console.log(answer.correct);\n                    done = true;\n                }\n            } else if (answer.type == \"default\") {\n                if (\"feedback\" in answer) {\n                    defaultFB = answer.feedback;\n                } \n            }\n            if (done) {\n                return false; // Break out of loop if this has been marked correct\n            } else {\n                return true; // Keep looking for case that includes this as a correct answer\n            }\n        });\n        console.log(\"done:\", done);\n\n        if ((!done) && (defaultFB != \"\")) {\n            fb.innerHTML = jaxify(defaultFB);\n            //console.log(\"Default feedback\", defaultFB);\n        }\n\n        fb.style.display = \"block\";\n        if (correct) {\n            ths.className = \"Input-text\";\n            ths.classList.add(\"correctButton\");\n            fb.className = \"Feedback\";\n            fb.classList.add(\"correct\");\n        } else {\n            ths.className = \"Input-text\";\n            ths.classList.add(\"incorrectButton\");\n            fb.className = \"Feedback\";\n            fb.classList.add(\"incorrect\");\n        }\n\n        // What follows is for the saved responses stuff\n        var outerContainer = fb.parentElement.parentElement;\n        var responsesContainer = document.getElementById(\"responses\" + outerContainer.id);\n        if (responsesContainer) {\n            console.log(submission);\n            var qnum = document.getElementById(\"quizWrap\"+id).dataset.qnum;\n            //console.log(\"Question \" + qnum);\n            //console.log(id, \", got numcorrect=\",fb.dataset.numcorrect);\n            var responses=JSON.parse(responsesContainer.dataset.responses);\n            console.log(responses);\n            if (submission == ths.value){\n                responses[qnum]= submission;\n            } else {\n                responses[qnum]= ths.value + \"(\" + submission +\")\";\n            }\n            responsesContainer.setAttribute('data-responses', JSON.stringify(responses));\n            printResponses(responsesContainer);\n        }\n        // End code to preserve responses\n\n        if (typeof MathJax != 'undefined') {\n            var version = MathJax.version;\n            console.log('MathJax version', version);\n            if (version[0] == \"2\") {\n                MathJax.Hub.Queue([\"Typeset\", MathJax.Hub]);\n            } else if (version[0] == \"3\") {\n                MathJax.typeset([fb]);\n            }\n        } else {\n            console.log('MathJax not detected');\n        }\n        return false;\n    }\n\n}\n\nfunction isValid(el, charC) {\n    //console.log(\"Input char: \", charC);\n    if (charC == 46) {\n        if (el.value.indexOf('.') === -1) {\n            return true;\n        } else if (el.value.indexOf('/') != -1) {\n            var parts = el.value.split('/');\n            if (parts[1].indexOf('.') === -1) {\n                return true;\n            }\n        }\n        else {\n            return false;\n        }\n    } else if (charC == 47) {\n        if (el.value.indexOf('/') === -1) {\n            if ((el.value != \"\") && (el.value != \".\")) {\n                return true;\n            } else {\n                return false;\n            }\n        } else {\n            return false;\n        }\n    } else if (charC == 45) {\n        var edex = el.value.indexOf('e');\n        if (edex == -1) {\n            edex = el.value.indexOf('E');\n        }\n\n        if (el.value == \"\") {\n            return true;\n        } else if (edex == (el.value.length - 1)) { // If just after e or E\n            return true;\n        } else {\n            return false;\n        }\n    } else if (charC == 101) { // \"e\"\n        if ((el.value.indexOf('e') === -1) && (el.value.indexOf('E') === -1) && (el.value.indexOf('/') == -1)) {\n            // Prev symbol must be digit or decimal point:\n            if (el.value.slice(-1).search(/\\d/) >= 0) {\n                return true;\n            } else if (el.value.slice(-1).search(/\\./) >= 0) {\n                return true;\n            } else {\n                return false;\n            }\n        } else {\n            return false;\n        }\n    } else {\n        if (charC > 31 && (charC < 48 || charC > 57))\n            return false;\n    }\n    return true;\n}\n\nfunction numeric_keypress(evnt) {\n    var charC = (evnt.which) ? evnt.which : evnt.keyCode;\n\n    if (charC == 13) {\n        check_numeric(this, evnt);\n    } else {\n        return isValid(this, charC);\n    }\n}\n\n\n\n\n\nfunction make_numeric(qa, outerqDiv, qDiv, aDiv, id) {\n\n\n\n    //console.log(answer);\n\n\n    outerqDiv.className = \"NumericQn\";\n    aDiv.style.display = 'block';\n\n    var lab = document.createElement(\"label\");\n    lab.className = \"InpLabel\";\n    lab.innerHTML = \"Type numeric answer here:\";\n    aDiv.append(lab);\n\n    var inp = document.createElement(\"input\");\n    inp.type = \"text\";\n    //inp.id=\"input-\"+id;\n    inp.id = id + \"-0\";\n    inp.className = \"Input-text\";\n    inp.setAttribute('data-answers', JSON.stringify(qa.answers));\n    if (\"precision\" in qa) {\n        inp.setAttribute('data-precision', qa.precision);\n    }\n    aDiv.append(inp);\n    //console.log(inp);\n\n    //inp.addEventListener(\"keypress\", check_numeric);\n    //inp.addEventListener(\"keypress\", numeric_keypress);\n    /*\n    inp.addEventListener(\"keypress\", function(event) {\n        return numeric_keypress(this, event);\n    }\n                        );\n                        */\n    //inp.onkeypress=\"return numeric_keypress(this, event)\";\n    inp.onkeypress = numeric_keypress;\n    inp.onpaste = event => false;\n\n    inp.addEventListener(\"focus\", function (event) {\n        this.value = \"\";\n        return false;\n    }\n    );\n\n\n}\nfunction jaxify(string) {\n    var mystring = string;\n\n    var count = 0;\n    var loc = mystring.search(/([^\\\\]|^)(\\$)/);\n\n    var count2 = 0;\n    var loc2 = mystring.search(/([^\\\\]|^)(\\$\\$)/);\n\n    //console.log(loc);\n\n    while ((loc >= 0) || (loc2 >= 0)) {\n\n        /* Have to replace all the double $$ first with current implementation */\n        if (loc2 >= 0) {\n            if (count2 % 2 == 0) {\n                mystring = mystring.replace(/([^\\\\]|^)(\\$\\$)/, \"$1\\\\[\");\n            } else {\n                mystring = mystring.replace(/([^\\\\]|^)(\\$\\$)/, \"$1\\\\]\");\n            }\n            count2++;\n        } else {\n            if (count % 2 == 0) {\n                mystring = mystring.replace(/([^\\\\]|^)(\\$)/, \"$1\\\\(\");\n            } else {\n                mystring = mystring.replace(/([^\\\\]|^)(\\$)/, \"$1\\\\)\");\n            }\n            count++;\n        }\n        loc = mystring.search(/([^\\\\]|^)(\\$)/);\n        loc2 = mystring.search(/([^\\\\]|^)(\\$\\$)/);\n        //console.log(mystring,\", loc:\",loc,\", loc2:\",loc2);\n    }\n\n    // repace markdown style links with actual links\n    mystring = mystring.replace(/<(.*?)>/, '<a href=\"$1\" target=\"_blank\" class=\"Link\">$1</a>');\n    mystring = mystring.replace(/\\[(.*?)\\]\\((.*?)\\)/, '<a href=\"$2\" target=\"_blank\" class=\"Link\">$1</a>');\n\n    //console.log(mystring);\n    return mystring;\n}\n\n\nfunction show_questions(json, mydiv) {\n    console.log('show_questions');\n    //var mydiv=document.getElementById(myid);\n    var shuffle_questions = mydiv.dataset.shufflequestions;\n    var num_questions = mydiv.dataset.numquestions;\n    var shuffle_answers = mydiv.dataset.shuffleanswers;\n    var max_width = mydiv.dataset.maxwidth;\n\n    if (num_questions > json.length) {\n        num_questions = json.length;\n    }\n\n    var questions;\n    if ((num_questions < json.length) || (shuffle_questions == \"True\")) {\n        //console.log(num_questions+\",\"+json.length);\n        questions = getRandomSubarray(json, num_questions);\n    } else {\n        questions = json;\n    }\n\n    //console.log(\"SQ: \"+shuffle_questions+\", NQ: \" + num_questions + \", SA: \", shuffle_answers);\n\n    // Iterate over questions\n    questions.forEach((qa, index, array) => {\n        //console.log(qa.question); \n\n        var id = makeid(8);\n        //console.log(id);\n\n\n        // Create Div to contain question and answers\n        var iDiv = document.createElement('div');\n        //iDiv.id = 'quizWrap' + id + index;\n        iDiv.id = 'quizWrap' + id;\n        iDiv.className = 'Quiz';\n        iDiv.setAttribute('data-qnum', index);\n        iDiv.style.maxWidth  =max_width+\"px\";\n        mydiv.appendChild(iDiv);\n        // iDiv.innerHTML=qa.question;\n        \n        var outerqDiv = document.createElement('div');\n        outerqDiv.id = \"OuterquizQn\" + id + index;\n        // Create div to contain question part\n        var qDiv = document.createElement('div');\n        qDiv.id = \"quizQn\" + id + index;\n        \n        if (qa.question) {\n            iDiv.append(outerqDiv);\n\n            //qDiv.textContent=qa.question;\n            qDiv.innerHTML = jaxify(qa.question);\n            outerqDiv.append(qDiv);\n        }\n\n        // Create div for code inside question\n        var codeDiv;\n        if (\"code\" in qa) {\n            codeDiv = document.createElement('div');\n            codeDiv.id = \"code\" + id + index;\n            codeDiv.className = \"QuizCode\";\n            var codePre = document.createElement('pre');\n            codeDiv.append(codePre);\n            var codeCode = document.createElement('code');\n            codePre.append(codeCode);\n            codeCode.innerHTML = qa.code;\n            outerqDiv.append(codeDiv);\n            //console.log(codeDiv);\n        }\n\n\n        // Create div to contain answer part\n        var aDiv = document.createElement('div');\n        aDiv.id = \"quizAns\" + id + index;\n        aDiv.className = 'Answer';\n        iDiv.append(aDiv);\n\n        //console.log(qa.type);\n\n        var num_correct;\n        if ((qa.type == \"multiple_choice\") || (qa.type == \"many_choice\") ) {\n            num_correct = make_mc(qa, shuffle_answers, outerqDiv, qDiv, aDiv, id);\n            if (\"answer_cols\" in qa) {\n                //aDiv.style.gridTemplateColumns = 'auto '.repeat(qa.answer_cols);\n                aDiv.style.gridTemplateColumns = 'repeat(' + qa.answer_cols + ', 1fr)';\n            }\n        } else if (qa.type == \"numeric\") {\n            //console.log(\"numeric\");\n            make_numeric(qa, outerqDiv, qDiv, aDiv, id);\n        }\n\n\n        //Make div for feedback\n        var fb = document.createElement(\"div\");\n        fb.id = \"fb\" + id;\n        //fb.style=\"font-size: 20px;text-align:center;\";\n        fb.className = \"Feedback\";\n        fb.setAttribute(\"data-answeredcorrect\", 0);\n        fb.setAttribute(\"data-numcorrect\", num_correct);\n        iDiv.append(fb);\n\n\n    });\n    var preserveResponses = mydiv.dataset.preserveresponses;\n    console.log(preserveResponses);\n    console.log(preserveResponses == \"true\");\n    if (preserveResponses == \"true\") {\n        console.log(preserveResponses);\n        // Create Div to contain record of answers\n        var iDiv = document.createElement('div');\n        iDiv.id = 'responses' + mydiv.id;\n        iDiv.className = 'JCResponses';\n        // Create a place to store responses as an empty array\n        iDiv.setAttribute('data-responses', '[]');\n\n        // Dummy Text\n        iDiv.innerHTML=\"<b>Select your answers and then follow the directions that will appear here.</b>\"\n        //iDiv.className = 'Quiz';\n        mydiv.appendChild(iDiv);\n    }\n//console.log(\"At end of show_questions\");\n    if (typeof MathJax != 'undefined') {\n        console.log(\"MathJax version\", MathJax.version);\n        var version = MathJax.version;\n        setTimeout(function(){\n            var version = MathJax.version;\n            console.log('After sleep, MathJax version', version);\n            if (version[0] == \"2\") {\n                MathJax.Hub.Queue([\"Typeset\", MathJax.Hub]);\n            } else if (version[0] == \"3\") {\n                if (MathJax.hasOwnProperty('typeset') ) {\n                    MathJax.typeset([mydiv]);\n                } else {\n                    console.log('WARNING: Trying to force load MathJax 3');\n                    window.MathJax = {\n                        tex: {\n                            inlineMath: [['$', '$'], ['\\\\(', '\\\\)']]\n                        },\n                        svg: {\n                            fontCache: 'global'\n                        }\n                    };\n\n                    (function () {\n                        var script = document.createElement('script');\n                        script.src = 'https://cdn.jsdelivr.net/npm/mathjax@3/es5/tex-svg.js';\n                        script.async = true;\n                        document.head.appendChild(script);\n                    })();\n                }\n            }\n        }, 500);\nif (typeof version == 'undefined') {\n        } else\n        {\n            if (version[0] == \"2\") {\n                MathJax.Hub.Queue([\"Typeset\", MathJax.Hub]);\n            } else if (version[0] == \"3\") {\n                if (MathJax.hasOwnProperty('typeset') ) {\n                    MathJax.typeset([mydiv]);\n                } else {\n                    console.log('WARNING: Trying to force load MathJax 3');\n                    window.MathJax = {\n                        tex: {\n                            inlineMath: [['$', '$'], ['\\\\(', '\\\\)']]\n                        },\n                        svg: {\n                            fontCache: 'global'\n                        }\n                    };\n\n                    (function () {\n                        var script = document.createElement('script');\n                        script.src = 'https://cdn.jsdelivr.net/npm/mathjax@3/es5/tex-svg.js';\n                        script.async = true;\n                        document.head.appendChild(script);\n                    })();\n                }\n            } else {\n                console.log(\"MathJax not found\");\n            }\n        }\n    }\n\n    // stop event propagation for the .Link class\n    var links = document.getElementsByClassName('Link')\n    for (var i = 0; i < links.length; i++) {\n        links[i].addEventListener('click', function(e){\n            e.stopPropagation();\n        });\n    }\n\n    return false;\n}\n/* This is to handle asynchrony issues in loading Jupyter notebooks\n           where the quiz has been previously run. The Javascript was generally\n           being run before the div was added to the DOM. I tried to do this\n           more elegantly using Mutation Observer, but I didn't get it to work.\n\n           Someone more knowledgeable could make this better ;-) */\n\n        function try_show() {\n          if(document.getElementById(\"kJcbfufyDOln\")) {\n            show_questions(questionskJcbfufyDOln,  kJcbfufyDOln); \n          } else {\n             setTimeout(try_show, 200);\n          }\n        };\n    \n        {\n        // console.log(element);\n\n        //console.log(\"kJcbfufyDOln\");\n        // console.log(document.getElementById(\"kJcbfufyDOln\"));\n\n        try_show();\n        }\n        ",
      "text/plain": [
       "<IPython.core.display.Javascript object>"
      ]
     },
     "metadata": {},
     "output_type": "display_data"
    }
   ],
   "source": [
    "#Assessment Q3\n",
    "display_quiz(\"num_quiz.json\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "1bb268f1-39cb-4878-8f9c-24cbc1265d41",
   "metadata": {},
   "outputs": [],
   "source": [
    "#Provide integer value for correct answer to Q3 defined as variable a3:\n",
    "a3 = 4"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "e93b12c4-456b-474c-9f80-4f24e8dedd42",
   "metadata": {
    "tags": []
   },
   "outputs": [],
   "source": [
    "#Assessment Q4\n",
    "run_quiz(import_type=\"json\", import_path=\"dropdown_quiz.json\", instant_feedback=False, shuffle_questions=False, shuffle_answers=True)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "aa8a4c65-85be-4935-b289-92aa7b383059",
   "metadata": {},
   "outputs": [],
   "source": [
    "#Provide string values for all correct answers to Q4 corresponding to the matching variable:\n",
    "flight = 'Superman'\n",
    "spidey_sense = 'Spiderman'\n",
    "defeats_all = 'Chuck Norris'"
   ]
  }
 ],
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  "kernelspec": {
   "display_name": "conda_python3",
   "language": "python",
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   "codemirror_mode": {
    "name": "ipython",
    "version": 3
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   "file_extension": ".py",
   "mimetype": "text/x-python",
   "name": "python",
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