adding book

1 files changed, 573 insertions, 0 deletions

diff --git a/Beginning_C_By_Ivon_Horton/chapter6.ipynb b/Beginning_C_By_Ivon_Horton/chapter6.ipynb
new file mode 100644
index 00000000..fdf576c5
--- /dev/null
+++ b/Beginning_C_By_Ivon_Horton/chapter6.ipynb
@@ -0,0 +1,573 @@
+{
+ "metadata": {
+  "name": ""
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+  {
+   "cells": [
+    {
+     "cell_type": "heading",
+     "level": 1,
+     "metadata": {},
+     "source": [
+      "Chapter 6: Applications with Strings and Text"
+     ]
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Program 6.1, page no. 221"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "\"\"\"\n",
+      "Displaying a string\n",
+      "\"\"\"\n",
+      "\n",
+      "print \"The character \\\\0 is used to terminate a string.\""
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "The character \\0 is used to terminate a string.\n"
+       ]
+      }
+     ],
+     "prompt_number": 1
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Program 6.2, page no. 223"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "\"\"\"\n",
+      "Lengths\n",
+      "\"\"\"\n",
+      "\n",
+      "str1 = \"To be or not to be\"\n",
+      "str2 = \",that is a question\"\n",
+      "\n",
+      "print \"Length of the string \\\"\", str1, \"\\\" is \", len(str1), \" characters\"\n",
+      "print \"Length of the string \\\"\", str2, \"\\\" is \", len(str2), \" characters\""
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "Length of the string \" To be or not to be \" is  18  characters\n",
+        "Length of the string \" ,that is a question \" is  19  characters\n"
+       ]
+      }
+     ],
+     "prompt_number": 2
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Program 6.3, page no. 225"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "\"\"\"\n",
+      "Arrays of strings\n",
+      "\"\"\"\n",
+      "\n",
+      "str1 = \"Computers do what you tell them to do, not what you want them to do.\"\n",
+      "str2 = \"When you put something in memory, remember where you put it.\"\n",
+      "str3 = \"Never test for a condition you don't know what to do with.\"\n",
+      "\n",
+      "print \"There are 3 strings.\"\n",
+      "print \"The string: \"\n",
+      "print str1\n",
+      "print \"contains \", len(str1), \" characters\"\n",
+      "print \"The string: \"\n",
+      "print str2\n",
+      "print \"contains \", len(str3), \" characters\"\n",
+      "print \"The string: \"\n",
+      "print str3\n",
+      "print \"contains \", len(str3), \" characters\""
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "There are 3 strings.\n",
+        "The string: \n",
+        "Computers do what you tell them to do, not what you want them to do.\n",
+        "contains  68  characters\n",
+        "The string: \n",
+        "When you put something in memory, remember where you put it.\n",
+        "contains  58  characters\n",
+        "The string: \n",
+        "Never test for a condition you don't know what to do with.\n",
+        "contains  58  characters\n"
+       ]
+      }
+     ],
+     "prompt_number": 3
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Program 6.4, page no. 230"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "\"\"\"\n",
+      "Joining strings\n",
+      "\"\"\"\n",
+      "\n",
+      "preamble = \"The joke is: \"\n",
+      "str1 = \"My dog hasn\\'t got any nose.\\n\"\n",
+      "str2 = \"How does your dog smell then?\\n\"\n",
+      "str3 = \"My dog smells horrible.\\n\"\n",
+      "joke = str1 + str2 + str3\n",
+      "\n",
+      "print preamble\n",
+      "print joke"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "The joke is: \n",
+        "My dog hasn't got any nose.\n",
+        "How does your dog smell then?\n",
+        "My dog smells horrible.\n",
+        "\n"
+       ]
+      }
+     ],
+     "prompt_number": 4
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Program 6.5, page no. 234"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "\"\"\"\n",
+      "Comparing strings\n",
+      "\"\"\"\n",
+      "\n",
+      "print \"Type in the first word (maximum 20 characters): \",\n",
+      "word1 = raw_input()\n",
+      "print \"Type in the second word (maximum 20 characters): \",\n",
+      "word2 = raw_input()\n",
+      "\n",
+      "if(word1 == word2):\n",
+      "    print \"You have entered identical words\"\n",
+      "else:\n",
+      "    print \"%s precedes %s\\n\" %((word2 if(word1 > word2) else word1), (word1 if(word1 > word2) else word2)) "
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": []
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Program 6.6, page no. 240 "
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "\"\"\"\n",
+      "A demonstration of seeking and finding\n",
+      "\"\"\"\n",
+      "\n",
+      "str1 = \"This string contains the holy grail.\"\n",
+      "str2 = \"the holy grail\"\n",
+      "str3 = \"the holy grill\"\n",
+      " \n",
+      "if str2 in str1:\n",
+      "    print \"\\\"%s\\\" was found in \\\"%s\\\"\\n\" %(str2, str1)\n",
+      "else:\n",
+      "    print \"\\n\\\"%s\\\" was not found.\" %str2\n",
+      " \n",
+      "if not(str3 in str1):\n",
+      "    print \"\\\"%s\\\" was not found.\\n\" % str3\n",
+      "else:\n",
+      "    print \"\\nWe shouldn't get to here!\""
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "\"the holy grail\" was found in \"This string contains the holy grail.\"\n",
+        "\n",
+        "\"the holy grill\" was not found.\n",
+        "\n"
+       ]
+      }
+     ],
+     "prompt_number": 6
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Program 6.7, page no. 243"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "\"\"\"\n",
+      "Find all the words\n",
+      "note: program 7A in the book will remain same in Python\n",
+      "\"\"\"\n",
+      "\n",
+      "print \"Enter some prose that is less than 1000 characters (go on typing hit enter to terminate):\"\n",
+      "str1 = raw_input()\n",
+      "\n",
+      "if len(str1) > 1000:\n",
+      "    print \"Maximum permitted input length exceeded.\"\n",
+      "\n",
+      "list_str1 = str1.split(\" \")\n",
+      "\n",
+      "print \"The words in the prose that you entered are: \"\n",
+      "\n",
+      "for i in range(0, len(list_str1)):\n",
+      "    print list_str1[i], \"\\t\",\n",
+      "    if i % 5 == 0:\n",
+      "        print \"\\n\"\n",
+      "\n",
+      "print \"Words found \", len(list_str1)"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "Enter some prose that is less than 1000 characters (go on typing hit enter to terminate):\n"
+       ]
+      },
+      {
+       "name": "stdout",
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "y father's family name being Pirrip, and my Christian name Philip, my infant tongue could make of both names nothing longer or more explicit than Pip. So, I called myself Pip, and came to be called Pip.\n"
+       ]
+      },
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "The words in the prose that you entered are: \n",
+        "y \t\n",
+        "\n",
+        "father's \tfamily \tname \tbeing \tPirrip, \t\n",
+        "\n",
+        "and \tmy \tChristian \tname \tPhilip, \t\n",
+        "\n",
+        "my \tinfant \ttongue \tcould \tmake \t\n",
+        "\n",
+        "of \tboth \tnames \tnothing \tlonger \t\n",
+        "\n",
+        "or \tmore \texplicit \tthan \tPip. \t\n",
+        "\n",
+        "So, \tI \tcalled \tmyself \tPip, \t\n",
+        "\n",
+        "and \tcame \tto \tbe \tcalled \t\n",
+        "\n",
+        "Pip. \tWords found  37\n"
+       ]
+      }
+     ],
+     "prompt_number": 9
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Program 6.8, page no. 249"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "\"\"\"\n",
+      "Testing characters in a string\n",
+      "\"\"\"\n",
+      "\n",
+      "\n",
+      "nLetters = 0\n",
+      "nDigits = 0\n",
+      "nPunct = 0\n",
+      "print \"Enter an interesting string of less than 100 characters: \"\n",
+      "str1 = raw_input()\n",
+      "\n",
+      "for char in str1:\n",
+      "    if char.isalpha():\n",
+      "        nLetters += 1\n",
+      "    elif char.isdigit():\n",
+      "        nDigits += 1\n",
+      "    elif char == \" \":\n",
+      "        pass\n",
+      "    else:\n",
+      "        nPunct += 1\n",
+      "\n",
+      "print \"Your string contained %d letters, %d digits and %d punctuation characters. \" %(nLetters, nDigits, nPunct)"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "Enter an interesting string of less than 100 characters: \n"
+       ]
+      },
+      {
+       "name": "stdout",
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "I was born on the 3rd of October 1895, which is long ago.\n"
+       ]
+      },
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "Your string contained 38 letters, 5 digits and 2 punctuation characters. \n"
+       ]
+      }
+     ],
+     "prompt_number": 10
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Program 6.9, page no. 251"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "\"\"\"\n",
+      "Finding occurrences of one string in another\n",
+      "\"\"\"\n",
+      "\n",
+      "print \"Enter the string to be searched (less than 100 characters): \",\n",
+      "text = raw_input()\n",
+      " \n",
+      "print \"Enter the string sought (less than 40 characters):\",\n",
+      "substring = raw_input()\n",
+      " \n",
+      "print \"First string entered: \", text\n",
+      "print \"Second string entered: \", substring\n",
+      " \n",
+      "text = text.upper()\n",
+      "substring = substring.upper() \n",
+      "print \"The second string %s found in the first. \" %(\"was not\" if not substring in text else \"was\")"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "Enter the string to be searched (less than 100 characters): "
+       ]
+      },
+      {
+       "name": "stdout",
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "Cry havoc, and let slip the dogs of war.\n"
+       ]
+      },
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        " Enter the string sought (less than 40 characters):"
+       ]
+      },
+      {
+       "name": "stdout",
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "The Dogs of War\n"
+       ]
+      },
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        " First string entered:  Cry havoc, and let slip the dogs of war.\n",
+        "Second string entered:  The Dogs of War\n",
+        "The second string was found in the first. \n"
+       ]
+      }
+     ],
+     "prompt_number": 11
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Program 6.10, page no. 259"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "\"\"\"\n",
+      "Analyzing Text\n",
+      "\"\"\"\n",
+      "\n",
+      "import numpy\n",
+      "\n",
+      "print \"Enter text (hit enter to exit): \",\n",
+      "text = raw_input()\n",
+      "\n",
+      "text_split = text.split()\n",
+      "distinct_words = []\n",
+      "\n",
+      "for i in text_split:\n",
+      "    if i not in distinct_words:\n",
+      "        distinct_words.append(i)\n",
+      "\n",
+      "word_count = numpy.zeros(len(distinct_words))\n",
+      "\n",
+      "for i in range(len(distinct_words)):\n",
+      "    for j in range(len(text_split)):\n",
+      "        if distinct_words[i] == text_split[j]:\n",
+      "            word_count[i] += 1\n",
+      "\n",
+      "for i in range(len(distinct_words)):\n",
+      "    print distinct_words[i], int(word_count[i])\n",
+      "    if i == 5:\n",
+      "        print \"\""
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "Enter text (hit enter to exit): "
+       ]
+      },
+      {
+       "name": "stdout",
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "When I makes tea I makes tea, as old mother Grogan said. And when I makes water I makes water. Begob, ma'am, says Mrs Cahill, God send you don't make them in the same pot.\n"
+       ]
+      },
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        " When 1\n",
+        "I 4\n",
+        "makes 4\n",
+        "tea 1\n",
+        "tea, 1\n",
+        "as 1\n",
+        "\n",
+        "old 1\n",
+        "mother 1\n",
+        "Grogan 1\n",
+        "said. 1\n",
+        "And 1\n",
+        "when 1\n",
+        "water 1\n",
+        "water. 1\n",
+        "Begob, 1\n",
+        "ma'am, 1\n",
+        "says 1\n",
+        "Mrs 1\n",
+        "Cahill, 1\n",
+        "God 1\n",
+        "send 1\n",
+        "you 1\n",
+        "don't 1\n",
+        "make 1\n",
+        "them 1\n",
+        "in 1\n",
+        "the 1\n",
+        "same 1\n",
+        "pot. 1\n"
+       ]
+      }
+     ],
+     "prompt_number": 21
+    }
+   ],
+   "metadata": {}
+  }
+ ]
+}
\ No newline at end of file