zeeshan_solved python for all assignment no 4 2019 04 17.ipynb

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   "cell_type": "markdown",
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   "source": [
    "<h3>Q no 1 : you have some strings in variable text your task is to make a list of capital letters only using list comprehension and print that list</h3>\n",
    "<h4>Hint! explore isUpper() method then do this</h4>"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "['I', 'P']\n"
     ]
    }
   ],
   "source": [
    "text_1 = \"In Python, isupper() is a built-in method used for string handling.\"\n",
    "\n",
    "# this is will check each word starting letter if it is capitalized the condition\n",
    "# is true and the letter will be saved in the list\n",
    "\n",
    "list = [word for word in text_1 if word.isupper() == True]\n",
    "print(list)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "<h3>Q no 2: Make a list of numbers from 0 to 20 which is divisible by 2 using list comprehension</h3>"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "[0, 2, 4, 6, 8, 10, 12, 14, 16, 18]\n"
     ]
    }
   ],
   "source": [
    "# in range from 0 to 20 with jump of 2 numbers print all numbers\n",
    "list_1 = [x for x in range(0,20,2)]\n",
    "print(list_1)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "<h3>Q no 3 : Find all of the numbers from 1-1000 that are divisible by 7 by making a list using list comprehension and print it</h3>"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "[0, 7, 14, 21, 28, 35, 42, 49, 56, 63, 70, 77, 84, 91, 98, 105, 112, 119, 126, 133, 140, 147, 154, 161, 168, 175, 182, 189, 196, 203, 210, 217, 224, 231, 238, 245, 252, 259, 266, 273, 280, 287, 294, 301, 308, 315, 322, 329, 336, 343, 350, 357, 364, 371, 378, 385, 392, 399, 406, 413, 420, 427, 434, 441, 448, 455, 462, 469, 476, 483, 490, 497, 504, 511, 518, 525, 532, 539, 546, 553, 560, 567, 574, 581, 588, 595, 602, 609, 616, 623, 630, 637, 644, 651, 658, 665, 672, 679, 686, 693, 700, 707, 714, 721, 728, 735, 742, 749, 756, 763, 770, 777, 784, 791, 798, 805, 812, 819, 826, 833, 840, 847, 854, 861, 868, 875, 882, 889, 896, 903, 910, 917, 924, 931, 938, 945, 952, 959, 966, 973, 980, 987, 994]\n"
     ]
    }
   ],
   "source": [
    "# here with a space of 7 numbers from 0 to 1000\n",
    "list_2 = [x for x in range(0,1000,7)]\n",
    "print(list_2)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "<h3>Q no 4 : Count the number of spaces in a string below using list comprehension and print the result</h3>"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "[7]\n"
     ]
    }
   ],
   "source": [
    "text_2 = \"Hi how are you, this is zeeshan assignment.\"\n",
    "list_3 = [text_2.count(\" \")] # counts how much \" \"  is occured. and saved the count in list_3\n",
    "print(list_3)\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "<h3>Q no 5 : Write a script that draws a triangle as below:</h3>"
   ]
  },
  {
   "cell_type": "raw",
   "metadata": {},
   "source": [
    "*\n",
    "**\n",
    "***\n",
    "****\n",
    "*****\n",
    "******\n",
    "*******\n",
    "********\n",
    "*********\n",
    "**********\n",
    "***********\n",
    "************"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "\n",
      "*\n",
      "**\n",
      "***\n",
      "****\n",
      "*****\n",
      "******\n",
      "*******\n",
      "********\n",
      "*********\n",
      "**********\n",
      "***********\n",
      "************\n"
     ]
    }
   ],
   "source": [
    "# iterate upto 13 times\n",
    "# each time print * and multiply it by the iteration number.\n",
    "for x in range(13):\n",
    "    print(\"*\" * x)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "<h3>Q no 6 : Write a script that draws a geometric shape as below:</h3>"
   ]
  },
  {
   "cell_type": "raw",
   "metadata": {},
   "source": [
    "*\n",
    "**\n",
    "***\n",
    "****\n",
    "*****\n",
    "******\n",
    "*******\n",
    "******\n",
    "*****\n",
    "****\n",
    "***\n",
    "**\n",
    "*"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "\n",
      "*\n",
      "**\n",
      "***\n",
      "****\n",
      "*****\n",
      "******\n",
      "*******\n",
      "******\n",
      "*****\n",
      "****\n",
      "***\n",
      "**\n",
      "*\n"
     ]
    }
   ],
   "source": [
    "# first print 6 times * with each time multiplied by iteration number\n",
    "for x in range(0,7):\n",
    "    print(\"*\" * x)\n",
    "# here again do it same but start from 7 and decrement it by 1 until 0, each time the loop iterates.\n",
    "for x in range(7,0,-1):\n",
    "    print(\"*\" * x)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "<h3>Q no 7 :Find all of the words in a string that are less than 4 letters using list comprehension</h3>"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 7,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "['are', 'for', 'new']\n"
     ]
    }
   ],
   "source": [
    "text_3 = \"List comprehensions are used for creating new list from another iterables. \"\n",
    "list_4 = text_3.split()\n",
    "list_5 = [x for x in list_4 if len(x) < 4]\n",
    "print(list_5)"
   ]
  }
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