{
 "metadata": {
  "name": "",
  "signature": "sha256:2192643aa60481aa37dedf877c77d457bede1bb6978dcdba9008684a80b17ad1"
 },
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 "nbformat_minor": 0,
 "worksheets": [
  {
   "cells": [
    {
     "cell_type": "heading",
     "level": 1,
     "metadata": {},
     "source": [
      "Chapter 8 Strings"
     ]
    },
    {
     "cell_type": "heading",
     "level": 2,
     "metadata": {},
     "source": [
      "Example 8.1, Page No. 181"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "myString=\"MIKE\"\n",
      "print \"The pointer variable's value is: \", id(myString)\n",
      "print \"The pointer variable points to: \",myString\n",
      "print \"The memory locations for each character are::\"\n",
      "for x in range(0,4):\n",
      "    print id(myString[x]),"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        " The pointer variable's value is:  44562688\n",
        "The pointer variable points to:  MIKE\n",
        "The memory locations for each character are::\n",
        "19548160 20083536 20086752 20285008\n"
       ]
      }
     ],
     "prompt_number": 6
    },
    {
     "cell_type": "heading",
     "level": 2,
     "metadata": {},
     "source": [
      "Example 8.2, Page No.183"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "color=raw_input(\"Enter your favorite color: \")\n",
      "print \"You entered: \",color"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "name": "stdout",
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Enter your favorite color: Blue\n"
       ]
      },
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "You entered:  Blue\n"
       ]
      }
     ],
     "prompt_number": 9
    },
    {
     "cell_type": "heading",
     "level": 2,
     "metadata": {},
     "source": [
      "Example 8.3, Page No.183"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "color=raw_input(\"Enter your favorite color: \")\n",
      "print \"You entered: \",color"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "name": "stdout",
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Enter your favorite color: Black\n"
       ]
      },
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "You entered:  Black\n"
       ]
      }
     ],
     "prompt_number": 10
    },
    {
     "cell_type": "heading",
     "level": 2,
     "metadata": {},
     "source": [
      "Example 8.4, Page No. 185"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "names = []\n",
      "names.append(\"Michael\")\n",
      "names.append(\"Sheila\")\n",
      "names.append(\"Spencer\")\n",
      "names.append(\"Hunter\")\n",
      "names.append(\"Kenya\")\n",
      "print \"\\nNames in pointer array of type char:\\n\"\n",
      "for i in range(5):\n",
      "    print names[i]"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "\n",
        "Names in pointer array of type char:\n",
        "\n",
        "Michael\n",
        "Sheila\n",
        "Spencer\n",
        "Hunter\n",
        "Kenya\n"
       ]
      }
     ],
     "prompt_number": 7
    },
    {
     "cell_type": "heading",
     "level": 2,
     "metadata": {},
     "source": [
      "Example 8.5, Page No.186"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "colors = []\n",
      "print \"Enter 3 colors: \"\n",
      "for i in range(3):\n",
      "    colors.append(raw_input())\n",
      "print \"Your entered: \"\n",
      "for i in range(3):\n",
      "    print colors[i]"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Enter 3 colors: \n"
       ]
      },
      {
       "name": "stdout",
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "blue\n"
       ]
      },
      {
       "name": "stdout",
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "black\n"
       ]
      },
      {
       "name": "stdout",
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "white\n"
       ]
      },
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Your entered: \n",
        "blue\n",
        "black\n",
        "white\n"
       ]
      }
     ],
     "prompt_number": 13
    },
    {
     "cell_type": "heading",
     "level": 2,
     "metadata": {},
     "source": [
      "Example 8.6, Page No.187"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "str1=\"123.79\"\n",
      "str2=\"55\"\n",
      "\n",
      "print \"String1 is:\\\"\",str1,\"\\\"\"\n",
      "print \"String2 is:\\\"\",str2,\"\\\"\"\n",
      "\n",
      "x=float(str1)\n",
      "y=int(str2)\n",
      "\n",
      "print \"String 1 converted to a float is \",round(x,2)\n",
      "print \"String 2 converted to an integer is \",y"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "String1 is:\" 123.79 \"\n",
        "String2 is:\" 55 \"\n",
        "String 1 converted to a float is  123.79\n",
        "String 2 converted to an integer is  55\n"
       ]
      }
     ],
     "prompt_number": 16
    },
    {
     "cell_type": "heading",
     "level": 2,
     "metadata": {},
     "source": [
      "Example 8.7, Page No.188"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "str1=\"37\"\n",
      "str2=\"20\"\n",
      "\n",
      "print \"String1 + String2 is \", str1+str2"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "String1 + String2 is  3720\n"
       ]
      }
     ],
     "prompt_number": 18
    },
    {
     "cell_type": "heading",
     "level": 2,
     "metadata": {},
     "source": [
      "Example 8.8, Page No. 189"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "str1=\"37\"\n",
      "str2=\"20\"\n",
      "iResult=int(str1)+int(str2)\n",
      "print \"String1 + String2 is \", iResult"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "String1 + String2 is  57\n"
       ]
      }
     ],
     "prompt_number": 19
    },
    {
     "cell_type": "heading",
     "level": 2,
     "metadata": {},
     "source": [
      "Example 8.9, Page No. 190"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "str1=\"Michael\"\n",
      "str2=\"Vine\"\n",
      "print \"The length of string1 is \",len(str1)\n",
      "print \"The length of string2 is \",len(str2)"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "The length of string1 is  7\n",
        "The length of string2 is  4\n"
       ]
      }
     ],
     "prompt_number": 20
    },
    {
     "cell_type": "heading",
     "level": 2,
     "metadata": {},
     "source": [
      "Example 8.10, Page No.191"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "def convertL(char):\n",
      "    char=char.lower()\n",
      "    print \"The first name converted to lower case is: \",char\n",
      "def convertU(char):\n",
      "    char=char.upper()\n",
      "    print \"The first name converted to Upper case is: \",char\n",
      "name1=\"Michael\"\n",
      "name2=\"Vine\"\n",
      "\n",
      "convertL(name1)\n",
      "convertU(name2)"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "The first name converted to lower case is:  michael\n",
        "The first name converted to Upper case is:  VINE\n"
       ]
      }
     ],
     "prompt_number": 32
    },
    {
     "cell_type": "heading",
     "level": 2,
     "metadata": {},
     "source": [
      "Example 8.11, Page No.193"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "str2=\"C Language\"\n",
      "str1=str2\n",
      "print \"String 1 now contains \", str1"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "String 1 now contains  C Language\n"
       ]
      }
     ],
     "prompt_number": 33
    },
    {
     "cell_type": "heading",
     "level": 2,
     "metadata": {},
     "source": [
      "Example 8.12, Page No.194"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "str1=\"Computer Science \"\n",
      "str2=\"is applied mathematics\"\n",
      "print str1+str2"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Computer Science is applied mathematics\n"
       ]
      }
     ],
     "prompt_number": 34
    },
    {
     "cell_type": "heading",
     "level": 2,
     "metadata": {},
     "source": [
      "Exmaple 8.13, Page No.195"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "str1=\"A\"\n",
      "str2=\"A\"\n",
      "str3=\"!\"\n",
      "print str1\n",
      "print str2\n",
      "print str3\n",
      "if str1==str2:\n",
      "    print \"Letter A is equal to letter A\"\n",
      "if str1>str3:\n",
      "    print \"Letter A is greater than character !\"\n",
      "if str3<str1:\n",
      "    print \"Character ! is greater than letter A\""
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "A\n",
        "A\n",
        "!\n",
        "Letter A is equal to letter A\n",
        "Letter A is greater than character !\n",
        "Character ! is greater than letter A\n"
       ]
      }
     ],
     "prompt_number": 39
    },
    {
     "cell_type": "heading",
     "level": 2,
     "metadata": {},
     "source": [
      "Exmaple 8.14, Page No.197"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "str1=\"Analyzing strings with with the strstr() function\"\n",
      "str2=\"ing\"\n",
      "str3=\"xyz\"\n",
      "\n",
      "print str1\n",
      "print str2\n",
      "print str3\n",
      "\n",
      "if((str1.find(str2))!=-1):\n",
      "    print \"Str2 was found in str1\"\n",
      "else: \n",
      "    print \"Str2 was not found in str1\"\n",
      "\n",
      "if((str1.find(str3))!=-1):\n",
      "     print \"Str3 was found in str1\"\n",
      "else: \n",
      "    print \"Str3 was not found in str1\""
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Analyzing strings with with the strstr() function\n",
        "ing\n",
        "xyz\n",
        "Str2 was found in str1\n",
        "Str3 was not found in str1\n"
       ]
      }
     ],
     "prompt_number": 44
    },
    {
     "cell_type": "heading",
     "level": 2,
     "metadata": {},
     "source": [
      "Exmaple 8.15, Page No.198"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "import time\n",
      "import os\n",
      "from array import array\n",
      "\n",
      "\n",
      "def checkAnswer(string1,string2):\n",
      "    for x in range(len(string2)):\n",
      "        string2=string2.upper()\n",
      "    if(set(string2).intersection(string1.split())):\n",
      "        print \"Great job\"\n",
      "    else :\n",
      "        print \"Sorry no word found...\"\n",
      "   \n",
      "starGame=[]\n",
      "starGame.append(\"ADELANGUAGEFERVZOPIBMOU\")\n",
      "starGame.append(\"ZBPOINTERSKLMLOOPMNOCOT\")\n",
      "starGame.append(\"PODSTRINGGDIWHIEEICERLS\")\n",
      "starGame.append(\"YVCPROGRAMMERWQKNULTHMD\")\n",
      "starGame.append(\"UKUNIXFIMWXIZEQZINPUTEX\")\n",
      "\n",
      "displayed=0\n",
      "startTime=0\n",
      "os.system('cls')\n",
      "print \"word find\"\n",
      "startTime=int(round(time.time()*1000))\n",
      "for x in range(0,5):\n",
      "    while ((startTime+3)>int(round(time.time()*1000))):\n",
      "        if displayed==0:\n",
      "            print \"find a word in:\"\n",
      "            print \"\",starGame[x]\n",
      "            displayed=1\n",
      "    os.system('cls')\n",
      "    answer=raw_input(\"Enter word found:\")\n",
      "    checkAnswer(starGame[x],answer)\n",
      "    displayed=0\n",
      "    startTime=int(round(time.time()*1000))\n"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "word find\n",
        "find a word in:\n",
        " ADELANGUAGEFERVZOPIBMOU\n"
       ]
      },
      {
       "name": "stdout",
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Enter word found:U\n"
       ]
      },
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Sorry no word found...\n",
        "find a word in:\n",
        " ZBPOINTERSKLMLOOPMNOCOT\n"
       ]
      },
      {
       "name": "stdout",
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Enter word found:T\n"
       ]
      },
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Sorry no word found...\n",
        "find a word in:\n",
        " PODSTRINGGDIWHIEEICERLS\n"
       ]
      },
      {
       "name": "stdout",
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Enter word found:S\n"
       ]
      },
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Sorry no word found...\n",
        "find a word in:\n",
        " YVCPROGRAMMERWQKNULTHMD\n"
       ]
      },
      {
       "name": "stdout",
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Enter word found:YV\n"
       ]
      },
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Sorry no word found...\n",
        "find a word in:\n",
        " UKUNIXFIMWXIZEQZINPUTEX\n"
       ]
      },
      {
       "name": "stdout",
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Enter word found:UKU\n"
       ]
      },
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "Sorry no word found...\n"
       ]
      }
     ],
     "prompt_number": 1
    }
   ],
   "metadata": {}
  }
 ]
}