adding book

1 files changed, 112 insertions, 0 deletions

diff --git a/Beginning_C++_through_Game_Programming/ch4.ipynb b/Beginning_C++_through_Game_Programming/ch4.ipynb
new file mode 100755
index 00000000..08fbd2a9
--- /dev/null
+++ b/Beginning_C++_through_Game_Programming/ch4.ipynb
@@ -0,0 +1,112 @@
+{
+ "metadata": {
+  "name": "ch4"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+  {
+   "cells": [
+    {
+     "cell_type": "heading",
+     "level": 1,
+     "metadata": {},
+     "source": "Chapter 4 : Conditionals and recursion"
+    },
+    {
+     "cell_type": "heading",
+     "level": 3,
+     "metadata": {},
+     "source": "example 4.1 page no :34"
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": "'''\nexample 4.1 page no :34\n'''\n\ndef printParity (x):\n    if (x%2 == 0):\n        print \"x is even\" \n    else:\n        print \"x is odd\" \n\nprintParity (17)",
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": "x is odd\n"
+      }
+     ],
+     "prompt_number": 1
+    },
+    {
+     "cell_type": "heading",
+     "level": 3,
+     "metadata": {},
+     "source": "example 4.2 page no :36"
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": "'''\nexample 4.2 page no :36\n'''\nimport math\n\ndef printLogarithm (x):\n    if (x <= 0.0):\n        print \"Positive numbers only, please.\" \n        return;\n    result = math.log(x);\n    print \"The log of x is \" , result;\n\nprintLogarithm(-1)\nprintLogarithm(5)",
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": "Positive numbers only, please.\nThe log of x is  1.60943791243\n"
+      }
+     ],
+     "prompt_number": 2
+    },
+    {
+     "cell_type": "heading",
+     "level": 3,
+     "metadata": {},
+     "source": "example 4.3 page no : 37"
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": "'''\nexample 4.3 page no : 37\n'''\n\ndef countdown (n):\n    if (n == 0):\n        print  \"Blastoff!\" \n    else:\n        print n\n        countdown (n-1)\n\ncountdown(5)",
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": "5\n4\n3\n2\n1\nBlastoff!\n"
+      }
+     ],
+     "prompt_number": 3
+    },
+    {
+     "cell_type": "heading",
+     "level": 3,
+     "metadata": {},
+     "source": "example  4.4\n"
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": "'''\nexample  4.4\n'''\nimport math\ndef printLogarithm(x):\n    if (x <= 0.0):\n        print \"Positive numbers only, please.\" << endl;\n        return;\n    result = math.log(x)\n    print \"The log of x is \" , result;\n\ndef countdown (n) :\n    if (n == 0):\n        print \"Blastoff!\"\n    else:\n        print n\n        countdown (n-1);\n\n\ncountdown (3);\nprintLogarithm(10)",
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": "3\n2\n1\nBlastoff!\nThe log of x is  2.30258509299\n"
+      }
+     ],
+     "prompt_number": 4
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": "",
+     "language": "python",
+     "metadata": {},
+     "outputs": []
+    }
+   ],
+   "metadata": {}
+  }
+ ]
+}
\ No newline at end of file