adding book

1 files changed, 706 insertions, 0 deletions

diff --git a/Beginning_C_By_Ivon_Horton/chapter3.ipynb b/Beginning_C_By_Ivon_Horton/chapter3.ipynb
new file mode 100644
index 00000000..49245eb1
--- /dev/null
+++ b/Beginning_C_By_Ivon_Horton/chapter3.ipynb
@@ -0,0 +1,706 @@
+{
+ "metadata": {
+  "name": ""
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+  {
+   "cells": [
+    {
+     "cell_type": "heading",
+     "level": 1,
+     "metadata": {},
+     "source": [
+      "Chapter 3: Making Decisions"
+     ]
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Program 3.1, page no. 88"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "\"\"\"\n",
+      "A simple example of the if statement\n",
+      "\"\"\"\n",
+      "\n",
+      "number = 0;\n",
+      "print \"\\nEnter an integer between 1 and 10: \",\n",
+      "number = int(raw_input())\n",
+      " \n",
+      "if(number > 5):\n",
+      "    print \"You entered %d which is greater than 5\\n\" % number\n",
+      "if(number < 6):\n",
+      "    print \"You entered %d which is less than 6\\n\" % number"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "\n",
+        "Enter an integer between 1 and 10: "
+       ]
+      },
+      {
+       "name": "stdout",
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "6\n"
+       ]
+      },
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        " You entered 6 which is greater than 5\n",
+        "\n"
+       ]
+      }
+     ],
+     "prompt_number": 1
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Program 3.2, page no. 91"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "\"\"\"\n",
+      "Using if statements to decide on a discount\n",
+      "\"\"\"\n",
+      "\n",
+      "unit_price = 3.50\n",
+      "print \"Enter the number that you want to buy: \", \n",
+      "quantity = int(raw_input())\n",
+      "if(quantity > 10):\n",
+      "    total = quantity*unit_price*0.95 # 5% discount\n",
+      "    print \"The price for %d is $%.2f\\n\" % (quantity, total)\n",
+      "else:\n",
+      "    total = quantity*unit_price #no discount\n",
+      "    print \"The price for %d is $%.2f\\n\" % (quantity, total)"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "Enter the number that you want to buy: "
+       ]
+      },
+      {
+       "name": "stdout",
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "20\n"
+       ]
+      },
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        " The price for 20 is $66.50\n",
+        "\n"
+       ]
+      }
+     ],
+     "prompt_number": 2
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Program 3.3, page no. 95"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "\"\"\"\n",
+      "Using nested ifs to analyze numbers\n",
+      "note: no need of LONG_MAX as there is no limit in python for an integer value\n",
+      "\"\"\"\n",
+      "\n",
+      "test = 0.0\n",
+      "print \"Enter an integer: \",\n",
+      "test = int(raw_input())\n",
+      " \n",
+      "if(test % 2 == 0):\n",
+      "    print \"The number %ld is even\" %test\n",
+      "if((test/2) % 2 == 0):\n",
+      "    print \"Half of %d is also even\" %test\n",
+      "    print \"That's interesting isn't it?\"\n",
+      "else:\n",
+      "    print \"The number %d is odd\\n\" %test"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "Enter an integer: "
+       ]
+      },
+      {
+       "name": "stdout",
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "20\n"
+       ]
+      },
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        " The number 20 is even\n",
+        "Half of 20 is also even\n",
+        "That's interesting isn't it?\n"
+       ]
+      }
+     ],
+     "prompt_number": 3
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Program 3.4, page no. 98"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "\"\"\"\n",
+      "Converting uppercase to lowercase\n",
+      "\"\"\"\n",
+      "\n",
+      "print \"Enter an uppercase letter:\",\n",
+      "letter = raw_input()\n",
+      "if(ord(letter) >= ord('A')):\n",
+      "    if(ord(letter) <= ord('Z')):\n",
+      "        letter = chr( ord(letter) - ord('A') + ord('a'))\n",
+      "        print \"You entered an uppercase %c\" %letter\n",
+      "    else:\n",
+      "        print \"Try using the shift key! I want a capital letter.\\n\""
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "Enter an uppercase letter:"
+       ]
+      },
+      {
+       "name": "stdout",
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "G\n"
+       ]
+      },
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        " You entered an uppercase g\n"
+       ]
+      }
+     ],
+     "prompt_number": 4
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Program 3.5, page no. 103"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "\"\"\"\n",
+      "Testing letters an easier way\n",
+      "\"\"\"\n",
+      "\n",
+      "print \"Enter an uppercase letter:\",\n",
+      "letter = raw_input()\n",
+      "if( (ord(letter) >= ord('A'))  and (ord(letter) <= ord('Z')) ):\n",
+      "    letter = chr( ord(letter) - ord('A') + ord('a'))\n",
+      "    print \"You entered an uppercase %c\" %letter\n",
+      "else:\n",
+      "    print \"You did not enter an uppercase letter.\""
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "Enter an uppercase letter:"
+       ]
+      },
+      {
+       "name": "stdout",
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "j\n"
+       ]
+      },
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        " You did not enter an uppercase letter.\n"
+       ]
+      }
+     ],
+     "prompt_number": 5
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Program 3.6, page no. 105"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "\"\"\"\n",
+      "Multiple Discount Levels\n",
+      "\"\"\"\n",
+      "\n",
+      "unit_price = 3.50\n",
+      "discount1 = 0.05\n",
+      "discount2 = 0.1\n",
+      "discount3 = 0.15\n",
+      "total_price = 0.0\n",
+      " \n",
+      "print \"Enter the number that you want to buy:\",\n",
+      "quantity = int(raw_input())\n",
+      " \n",
+      "if(quantity >50):\n",
+      "    total_price = quantity*unit_price*(1.0-discount3)\n",
+      "elif(quantity > 20):\n",
+      "    total_price = quantity*unit_price*(1.0-discount2)\n",
+      "elif(quantity > 10):\n",
+      "    total_price = quantity*unit_price*(1.0-discount1)\n",
+      "else:\n",
+      "    total_price = quantity*unit_price*(1.0-0.0)\n",
+      "print \"The price for %d is $%.2f\\n\" %(quantity, total_price)"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "Enter the number that you want to buy:"
+       ]
+      },
+      {
+       "name": "stdout",
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "60\n"
+       ]
+      },
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        " The price for 60 is $178.50\n",
+        "\n"
+       ]
+      }
+     ],
+     "prompt_number": 6
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Program 3.7, page no. 109"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "\"\"\"\n",
+      "A confused recruiting policy \n",
+      "\"\"\"\n",
+      "\n",
+      "age = 0\n",
+      "college = 0\n",
+      "subject = 0\n",
+      "interview = False # true for accept, false for reject\n",
+      "\n",
+      "print \"What college? 1 for Harvard, 2 for Yale, 3 for other: \",\n",
+      "college = int(raw_input())\n",
+      "print \"What subject? 1 for Chemistry, 2 for economics, 3 for other: \",\n",
+      "subject = int(raw_input())\n",
+      "print \"How old is the applicant? \",\n",
+      "age = int(raw_input())\n",
+      " \n",
+      "if( (age>25 and subject==1) and (college==3 or college == 1) ):\n",
+      "    interview = True\n",
+      "if(college == 2 and subject == 1):\n",
+      "    interview = True\n",
+      "if(college == 1 and subject == 2 and not(age > 28)):\n",
+      "    interview = True\n",
+      "if(college == 2 and (subject == 2 or subject == 3) and age > 25):\n",
+      "    interview = True\n",
+      " \n",
+      "if(interview):\n",
+      "    print \"Give 'em an interview\"\n",
+      "else:\n",
+      "    print \"Reject 'em\""
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "What college? 1 for Harvard, 2 for Yale, 3 for other: "
+       ]
+      },
+      {
+       "name": "stdout",
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "2\n"
+       ]
+      },
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        " What subject? 1 for Chemistry, 2 for economics, 3 for other: "
+       ]
+      },
+      {
+       "name": "stdout",
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "1\n"
+       ]
+      },
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        " How old is the applicant? "
+       ]
+      },
+      {
+       "name": "stdout",
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "24\n"
+       ]
+      },
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        " Give 'em an interview\n"
+       ]
+      }
+     ],
+     "prompt_number": 7
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Program 3.8, page no. 117"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "\"\"\"\n",
+      "Lucky Lotteries\n",
+      "note: there is no switch statement in Python\n",
+      "\"\"\"\n",
+      "\n",
+      "print \"Pick a number between 1 and 10 and you may win a prize! \",\n",
+      "choice = int(raw_input())\n",
+      "if((choice > 10) or (choice < 1)):\n",
+      "    choice = 11\n",
+      "if choice == 7:\n",
+      "    print \"Congratulations!\"\n",
+      "    print \"You win the collected works of Amos Gruntfuttock.\"\n",
+      "elif choice == 2:\n",
+      "    print \"You win the folding thermometer-pen-watch-umbrella.\"\n",
+      "elif choice == 8:\n",
+      "    print \"You win the lifetime supply of aspirin tablets.\"\n",
+      "elif choice == 11:\n",
+      "    print \"Try between 1 and 10. You wasted your guess.\",\n",
+      "else:\n",
+      "    print \"Sorry, you lose.\\n\""
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "Pick a number between 1 and 10 and you may win a prize! "
+       ]
+      },
+      {
+       "name": "stdout",
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "7\n"
+       ]
+      },
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        " Congratulations!\n",
+        "You win the collected works of Amos Gruntfuttock.\n"
+       ]
+      }
+     ],
+     "prompt_number": 9
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Program 3.9, page no. 119"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "\"\"\"\n",
+      "Testing cases\n",
+      "\"\"\"\n",
+      "\n",
+      "print \"Enter Y or N: \",\n",
+      "answer = raw_input()\n",
+      "\n",
+      "if answer =='y' or answer == 'Y':\n",
+      "    print \"You responded in the affirmative.\"\n",
+      "elif answer == 'n' or answer == 'N':\n",
+      "    print \"You responded in the negative.\"\n",
+      "else:\n",
+      "    print \"You did not respond correctly. . .\""
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "Enter Y or N: "
+       ]
+      },
+      {
+       "name": "stdout",
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "y\n"
+       ]
+      },
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        " You responded in the affirmative.\n"
+       ]
+      }
+     ],
+     "prompt_number": 10
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Program 3.10, page no. 128"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "\"\"\"\n",
+      "Excercising bitwise operator\n",
+      "\"\"\"\n",
+      "\n",
+      "original = 0xABC\n",
+      "result = 0\n",
+      "mask = 0xF\n",
+      "\n",
+      "print \"original = %X\" % original\n",
+      "result |= original & mask\n",
+      " \n",
+      "original = original >> 4\n",
+      "result = result << 4\n",
+      "result |= original&mask\n",
+      " \n",
+      "original = original >> 4\n",
+      "result = result << 4\n",
+      "result |= original & mask\n",
+      "print \"result = %X\" % result"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "original = ABC\n",
+        "result = CBA\n"
+       ]
+      }
+     ],
+     "prompt_number": 11
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      " Program 3.11, page no. 132"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "\"\"\"\n",
+      "A calculator\n",
+      "\"\"\"\n",
+      "\n",
+      "print \"Enter the calculation\\n\",\n",
+      "number1 = float(raw_input(\"Enter first number: \"))\n",
+      "number2 = float(raw_input(\"Enter second number: \"))\n",
+      "operation = raw_input(\"Enter operation '+' or '-' or '/' or '%' or '*': \")\n",
+      " \n",
+      "if operation == '+':\n",
+      "    print \"= %f\" %(number1 + number2)\n",
+      "elif operation == '-':\n",
+      "    print \"= %f\" %(number1 - number2)\n",
+      "elif operation == '*':\n",
+      "    print \"= %f\" %(number1 * number2);\n",
+      "elif operation == '/':\n",
+      "    if(number2 == 0):\n",
+      "        print \"Division by zero error!\"\n",
+      "    else:\n",
+      "        print \"= %f\\n\" %(number1 / number2)\n",
+      "elif operation == '%':\n",
+      "    if(number2 == 0):\n",
+      "        print \"Division by zero error!\"\n",
+      "    else:\n",
+      "        print \"= %f\\n\" %(number1 % number2)\n",
+      "else:\n",
+      "    print \"Illegal operation!\""
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "Enter the calculation\n"
+       ]
+      },
+      {
+       "name": "stdout",
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "Enter first number: 25\n"
+       ]
+      },
+      {
+       "name": "stdout",
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "Enter second number: 24\n"
+       ]
+      },
+      {
+       "name": "stdout",
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "Enter operation '+' or '-' or '/' or '%' or '*': *\n"
+       ]
+      },
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "= 600.000000\n"
+       ]
+      }
+     ],
+     "prompt_number": 13
+    }
+   ],
+   "metadata": {}
+  }
+ ]
+}
\ No newline at end of file