list_methods.ipynb

{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": 4,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "['apple', 'banana', 'cherry', 'orange']"
      ]
     },
     "execution_count": 4,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "# append\n",
    "\n",
    "fruits = ['apple', 'banana', 'cherry']\n",
    "fruits.append(\"orange\")\n",
    "fruits"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "[]"
      ]
     },
     "execution_count": 6,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "# clear \n",
    "\n",
    "# Remove all elements from the fruits list:\n",
    "\n",
    "fruits = ['apple', 'banana', 'cherry', 'orange']\n",
    "fruits.clear()\n",
    "fruits"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 7,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "['apple', 'banana', 'cherry', 'orange']"
      ]
     },
     "execution_count": 7,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "# copy\n",
    "\n",
    "# Copy the fruits list:\n",
    "\n",
    "fruits = ['apple', 'banana', 'cherry', 'orange']\n",
    "x = fruits.copy()\n",
    "x"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 9,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "1"
      ]
     },
     "execution_count": 9,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "# count\n",
    "\n",
    "# Return the number of times the value \"cherry\" appears int the fruits list:\n",
    "\n",
    "fruits = ['apple', 'banana', 'cherry']\n",
    "x = fruits.count(\"cherry\")\n",
    "x"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 11,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "['apple', 'banana', 'cherry', 'Ford', 'BMW', 'Volvo']"
      ]
     },
     "execution_count": 11,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "# extend\n",
    "\n",
    "# Add the elements of cars to the fruits list:\n",
    "\n",
    "fruits = ['apple', 'banana', 'cherry']\n",
    "cars = ['Ford', 'BMW', 'Volvo']\n",
    "fruits.extend(cars)\n",
    "fruits"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 13,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "2"
      ]
     },
     "execution_count": 13,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "# index \n",
    "\n",
    "# What is the position of the value \"cherry\":\n",
    "\n",
    "fruits = ['apple', 'banana', 'cherry']\n",
    "x = fruits.index(\"cherry\")\n",
    "x"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 15,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "['apple', 'orange', 'banana', 'cherry']"
      ]
     },
     "execution_count": 15,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "# insert\n",
    "\n",
    "# Insert the value \"orange\" as the second element of the fruit list:\n",
    "\n",
    "fruits = ['apple', 'banana', 'cherry']\n",
    "fruits.insert(1, \"orange\")\n",
    "fruits"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 18,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "['apple', 'cherry']"
      ]
     },
     "execution_count": 18,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "# pop\n",
    "\n",
    "# Remove the second element of the fruit list:\n",
    "\n",
    "fruits = ['apple', 'banana', 'cherry']\n",
    "fruits.pop(1)        # without giving argument, it deletes the last element\n",
    "fruits"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 20,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "['apple', 'cherry']"
      ]
     },
     "execution_count": 20,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "# remove\n",
    "\n",
    "# Remove the \"banana\" element of the fruit list:\n",
    "\n",
    "fruits = ['apple', 'banana', 'cherry']\n",
    "fruits.remove(\"banana\")\n",
    "fruits"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 22,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "['cherry', 'banana', 'apple']"
      ]
     },
     "execution_count": 22,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "# reverse\n",
    "\n",
    "# Reverse the order of the fruit list:\n",
    "\n",
    "fruits = ['apple', 'banana', 'cherry']\n",
    "fruits.reverse()\n",
    "fruits"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 26,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "['BMW', 'Ford', 'Volvo']"
      ]
     },
     "execution_count": 26,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "# sort\n",
    "\n",
    "# Sort the list alphabetically:\n",
    "\n",
    "cars = ['Ford', 'BMW', 'Volvo']\n",
    "cars.sort()\n",
    "cars"
   ]
  }
 ],
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