{
 "cells": [
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## In-class demo (Module 3)\n",
    "\n",
    "Some in class excercises to test the programming skills you've gained from Module 4. This is ungraded, and should be completed in class."
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "(1) How would you express the constant floating-point value 3.2 × 10^-12 in Python?"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 7,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "3.2e-12"
      ]
     },
     "execution_count": 7,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "3.2e-12"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "(2) Which of the following are valid ways to specify the string literal **foo'bar** in Python:"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 11,
   "metadata": {},
   "outputs": [],
   "source": [
    "stuff = \"foo'bar\""
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "(3) What type of object type is the following:"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {},
   "outputs": [],
   "source": [
    "listOne = [20, 40, 60, 80]\n",
    "listTwo = {20, 40, 60, 80}"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "(4) How would we go about confirming the data type of the objects above?"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 12,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "<class 'list'>\n",
      "<class 'set'>\n"
     ]
    }
   ],
   "source": [
    "print(type(listOne))\n",
    "print(type(listTwo))"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "(5) How would someone pull out the 5th element from the following list?"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {},
   "outputs": [],
   "source": [
    "my_list = [100,\"atmos_5340\",\"weather\",1.5e7,True,False,True,\"grape\"]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 13,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "True"
      ]
     },
     "execution_count": 13,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "my_list[4]"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "(6) How would compute the length of the list provided above,*without counting*?"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 15,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "8"
      ]
     },
     "execution_count": 15,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "len(my_list)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "(7) How would we pull out the last element? Is there a way we can do this *without counting?*"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 18,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'grape'"
      ]
     },
     "execution_count": 18,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "my_list[-1]\n",
    "my_list[len(my_list)-1]"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "(8) How would we add the string *\"environment\"* to the list above?"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 19,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "[100, 'atmos_5340', 'weather', 15000000.0, True, False, True, 'grape', 'environment']\n"
     ]
    }
   ],
   "source": [
    "my_list.append(\"environment\")\n",
    "print(my_list)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "(9) How could you use python to sort the folloing list of numbers?\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "[51, 69, 91, 54, 79, 29, 23, 78, 80, 62, 35, 2, 94, 90, 0, 27, 83, 22, 41, 5]\n"
     ]
    }
   ],
   "source": [
    "import random\n",
    "randomlist = random.sample(range(0, 100), 20)\n",
    "print(randomlist)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 20,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "[0, 2, 5, 22, 23, 27, 29, 35, 41, 51, 54, 62, 69, 78, 79, 80, 83, 90, 91, 94]\n"
     ]
    }
   ],
   "source": [
    "randomlist.sort()\n",
    "print(randomlist)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "(10) Create a list of numbers that goes from 100 to 0"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 22,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "[100, 99, 98, 97, 96, 95, 94, 93, 92, 91, 90, 89, 88, 87, 86, 85, 84, 83, 82, 81, 80, 79, 78, 77, 76, 75, 74, 73, 72, 71, 70, 69, 68, 67, 66, 65, 64, 63, 62, 61, 60, 59, 58, 57, 56, 55, 54, 53, 52, 51, 50, 49, 48, 47, 46, 45, 44, 43, 42, 41, 40, 39, 38, 37, 36, 35, 34, 33, 32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1]\n"
     ]
    }
   ],
   "source": [
    "print(list(range(100,0,-1)))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  }
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