Removed duplicates

1 files changed, 309 insertions, 0 deletions

diff --git a/Programming_With_Java_A_Primer_by_E._Balagurusamy/chapter7.ipynb b/Programming_With_Java_A_Primer_by_E._Balagurusamy/chapter7.ipynb
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@@ -0,0 +1,309 @@
+{
+ "metadata": {
+  "name": "",
+  "signature": "sha256:a924e86900c65c3fd8c20ee5aee9bc052eac287d056598356137191816cafe4b"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+  {
+   "cells": [
+    {
+     "cell_type": "heading",
+     "level": 1,
+     "metadata": {},
+     "source": [
+      "Chapter 7: Decision Making & Looping"
+     ]
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "example 7.1, page no. 108"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "\n",
+      "\"\"\"\n",
+      "the method shown in textbook is not possible in python.\n",
+      "We will implement in a different way\n",
+      "\"\"\"\n",
+      "\n",
+      "print \"Enter a string. Enter quit to stop\"\n",
+      "\n",
+      "my_str = \"\"\n",
+      "while True:\n",
+      "    c = raw_input()\n",
+      "    if c == \"quit\":\n",
+      "        break\n",
+      "    my_str = my_str + c + \" \"\n",
+      "print \"String you entered is: \", my_str"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "Enter a string. Enter quit to stop\n"
+       ]
+      },
+      {
+       "name": "stdout",
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "Java\n"
+       ]
+      },
+      {
+       "name": "stdout",
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "is\n"
+       ]
+      },
+      {
+       "name": "stdout",
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "Good\n"
+       ]
+      },
+      {
+       "name": "stdout",
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "quit\n"
+       ]
+      },
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "String you entered is:  Java is Good \n"
+       ]
+      }
+     ],
+     "prompt_number": 3
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "example 7.2, page no. 109"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "#Do.. While loop\n",
+      "\n",
+      "\n",
+      "row = 1\n",
+      "column = 1\n",
+      "\n",
+      "while row <= 3:\n",
+      "    column = 1\n",
+      "    while column <= 3:\n",
+      "        y = row * column\n",
+      "        print \" \", y,\n",
+      "        column += 1\n",
+      "    print \"\"\n",
+      "    row += 1"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "  1   2   3 \n",
+        "  2   4   6 \n",
+        "  3   6   9 \n"
+       ]
+      }
+     ],
+     "prompt_number": 6
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "example 7.3, page no. 112"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "\n",
+      "print \"2 to power-n   n          2 to power n\"\n",
+      "p = 1\n",
+      "for n in range(0,10):\n",
+      "    if n == 0:\n",
+      "        p = 1\n",
+      "    else:\n",
+      "        p = p * 2\n",
+      "    q = float(1.0/p)\n",
+      "    print q,\"          \",n,\"          \",p"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "2 to power-n   n          2 to power n\n",
+        "1.0            0            1\n",
+        "0.5            1            2\n",
+        "0.25            2            4\n",
+        "0.125            3            8\n",
+        "0.0625            4            16\n",
+        "0.03125            5            32\n",
+        "0.015625            6            64\n",
+        "0.0078125            7            128\n",
+        "0.00390625            8            256\n",
+        "0.001953125            9            512\n"
+       ]
+      }
+     ],
+     "prompt_number": 20
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "example 7.4, page no. 116"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "\n",
+      "states = [\"TamilNadu\", \"AndhraPradesh\", \"UttarPradesh\", \"Rajasthan\"]\n",
+      "for i in range(0, len(states)):\n",
+      "    print \"Standard for-loop: state name: \", states[i]\n",
+      "print \"\"\n",
+      "for state in states:\n",
+      "    print \"Enhanced for-loop: state name: \", state\n",
+      "\n",
+      "print \"\"\n",
+      "cities = []\n",
+      "cities.append(\"Delhi\")\n",
+      "cities.append(\"Mumbai\")\n",
+      "cities.append(\"Calcutta\")\n",
+      "cities.append(\"Chennai\")\n",
+      "\n",
+      "for i in range(0, len(cities)):\n",
+      "    print \"Standard for-loop: state name: \", cities[i]\n",
+      "print \"\"\n",
+      "for city in cities:\n",
+      "    print \"Enhanced for-loop: enhanced name: \", city\n",
+      "\n",
+      "print \"\\nIn Collection\"\n",
+      "for i in cities:\n",
+      "    print i\n"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "Standard for-loop: state name:  TamilNadu\n",
+        "Standard for-loop: state name:  AndhraPradesh\n",
+        "Standard for-loop: state name:  UttarPradesh\n",
+        "Standard for-loop: state name:  Rajasthan\n",
+        "\n",
+        "Enhanced for-loop: state name:  TamilNadu\n",
+        "Enhanced for-loop: state name:  AndhraPradesh\n",
+        "Enhanced for-loop: state name:  UttarPradesh\n",
+        "Enhanced for-loop: state name:  Rajasthan\n",
+        "\n",
+        "Standard for-loop: state name:  Delhi\n",
+        "Standard for-loop: state name:  Mumbai\n",
+        "Standard for-loop: state name:  Calcutta\n",
+        "Standard for-loop: state name:  Chennai\n",
+        "\n",
+        "Enhanced for-loop: enhanced name:  Delhi\n",
+        "Enhanced for-loop: enhanced name:  Mumbai\n",
+        "Enhanced for-loop: enhanced name:  Calcutta\n",
+        "Enhanced for-loop: enhanced name:  Chennai\n",
+        "\n",
+        "In Collection\n",
+        "Delhi\n",
+        "Mumbai\n",
+        "Calcutta\n",
+        "Chennai\n"
+       ]
+      }
+     ],
+     "prompt_number": 1
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "example 7.5, page no. 120"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "\n",
+      "for i in range(1,100):\n",
+      "    print \" \"\n",
+      "    if i >= 10:\n",
+      "        break\n",
+      "    for j in range(1, 100):\n",
+      "        print \" * \",\n",
+      "        if j == i:\n",
+      "            break"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        " \n",
+        " *   \n",
+        " *   *   \n",
+        " *   *   *   \n",
+        " *   *   *   *   \n",
+        " *   *   *   *   *   \n",
+        " *   *   *   *   *   *   \n",
+        " *   *   *   *   *   *   *   \n",
+        " *   *   *   *   *   *   *   *   \n",
+        " *   *   *   *   *   *   *   *   *   \n"
+       ]
+      }
+     ],
+     "prompt_number": 28
+    }
+   ],
+   "metadata": {}
+  }
+ ]
+}
\ No newline at end of file