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author | hardythe1 | 2015-04-07 15:58:05 +0530 |
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committer | hardythe1 | 2015-04-07 15:58:05 +0530 |
commit | c7fe425ef3c5e8804f2f5de3d8fffedf5e2f1131 (patch) | |
tree | 725a7d43dc1687edf95bc36d39bebc3000f1de8f /Computer_Programming_Theory_and_Practice/Chapter7.ipynb | |
parent | 62aa228e2519ac7b7f1aef53001f2f2e988a6eb1 (diff) | |
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diff --git a/Computer_Programming_Theory_and_Practice/Chapter7.ipynb b/Computer_Programming_Theory_and_Practice/Chapter7.ipynb new file mode 100755 index 00000000..0d79c17f --- /dev/null +++ b/Computer_Programming_Theory_and_Practice/Chapter7.ipynb @@ -0,0 +1,557 @@ +{ + "metadata": { + "name": "", + "signature": "sha256:37ae6cc76fe6f4a8cc8dba62582a6a103f99da5c7579d1a782cb95241f542fd8" + }, + "nbformat": 3, + "nbformat_minor": 0, + "worksheets": [ + { + "cells": [ + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 1 , Page number: CP-148" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "# Program to count the occurence of a particular in a string\n", + "# Variable declaration\n", + "\n", + "st = \"MISSISSIPPI\"\n", + "ch = \"S\"\n", + "count = 0\n", + "\n", + "print \"Enter the string :\",st\n", + "print \"Which character to be counted ?\",ch\n", + "\n", + "# Loop to check occurrence of aa character\n", + "\n", + "l = len(st)\n", + "\n", + "for i in st:\n", + " if i == ch:\n", + " count = count + 1\n", + "\n", + "print \"The character \" + ch + \" occurs %d times\" % count " + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Enter the string : MISSISSIPPI\n", + "Which character to be counted ? S\n", + "The character S occurs 4 times\n" + ] + } + ], + "prompt_number": 1 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 2 , Page number: CP-149" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "# Program to count the number of vowels in a sentence\n", + "# Variable declaration\n", + "\n", + "st = \"This is a book\"\n", + "count = 0\n", + "\n", + "print \"Enter the sentence :\"\n", + "print st\n", + "\n", + "# Loop to count the vowels in the string\n", + "\n", + "for i in st:\n", + " if i == \"A\":\n", + " count = count + 1\n", + " elif i == \"E\":\n", + " count = count + 1\n", + " elif i == \"I\":\n", + " count = count + 1\n", + " elif i == \"O\":\n", + " count = count + 1\n", + " elif i == \"U\":\n", + " count = count + 1\n", + " elif i == \"a\":\n", + " count = count + 1\n", + " elif i == \"e\":\n", + " count = count + 1\n", + " elif i == \"i\":\n", + " count = count + 1\n", + " elif i == \"o\":\n", + " count = count + 1\n", + " elif i == \"u\":\n", + " count = count + 1\n", + "\n", + "print \"%d vowels are present in the sentence\" % count\n", + " \n", + " " + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Enter the sentence :\n", + "This is a book\n", + "5 vowels are present in the sentence\n" + ] + } + ], + "prompt_number": 2 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 3 , Page number: CP-150" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "# Program to test whether a given string is a palindrome or not\n", + "# Variable declaration\n", + "\n", + "st = \"HYDERABAD\"\n", + "rst = \"\"\n", + "i = 0\n", + "j = len(st) - 1\n", + "\n", + "print \"Enter the string :\",st\n", + "\n", + "# Palindrome or not \n", + "\n", + "rst = reversed(st)\n", + "\n", + "if list(st) == list(rst):\n", + " print \"%s is a palindrome string \" % st\n", + "else:\n", + " print \"%s is not a palindrome string \" % st" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Enter the string : HYDERABAD\n", + "HYDERABAD is not a palindrome string \n" + ] + } + ], + "prompt_number": 3 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 4 , Page number: CP-152" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "# Program to conctenate two strings\n", + "# Variable declaration\n", + "\n", + "st1 = \"NEW \"\n", + "st2 = \"DELHI\"\n", + "\n", + "# input of two strings to be concatenated\n", + "\n", + "print \"Enter first string :\",st1\n", + "print \"Enter second string :\",st2\n", + "\n", + "# concatenation of two strings\n", + "st = st1 + st2\n", + "\n", + "print \"Resultant string is \",st " + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Enter first string : NEW \n", + "Enter second string : DELHI\n", + "Resultant string is NEW DELHI\n" + ] + } + ], + "prompt_number": 4 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 5 , Page number: CP-154" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "# Program to compare two strings\n", + "# Variable declaration\n", + "\n", + "st1 = \"ALPHA\"\n", + "st2 = \"BETA\"\n", + "\n", + "print \"Enter string 1:\",st1\n", + "print \"Enter string 2:\",st2\n", + "\n", + "# compare strings\n", + "\n", + "if (cmp(st1,st2)>0):\n", + " print \"%s \" + st1 + \"is alphabetically greater string\"\n", + "else:\n", + " print st2 + \" is alphabetically greater string\"" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Enter string 1: ALPHA\n", + "Enter string 2: BETA\n", + "BETA is alphabetically greater string\n" + ] + } + ], + "prompt_number": 5 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 6 , Page number: CP-155" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "# Program to sort an array of names in alphabetical order\n", + "# Variable declaration\n", + "\n", + "n = 4\n", + "names = [\"DEEPAK\",\"SHERIN\",\"SONIKA\",\"ARUN\"]\n", + "\n", + "print \"How many names ?\",n\n", + "print \"Enter the 4 names one by one\"\n", + "for i in names:\n", + " print i\n", + "\n", + "# Loop to arrange names in alphabetical order\n", + "\n", + "for i in range(0,n-1):\n", + " for j in range(i+1,n):\n", + " if cmp(names[i],names[j])>0:\n", + " \n", + " temp = names[i]\n", + " names[i] = names[j]\n", + " names[j] = temp\n", + "\n", + "print \"Names in alphabetical order\"\n", + "for i in names:\n", + " print i" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "How many names ? 4\n", + "Enter the 4 names one by one\n", + "DEEPAK\n", + "SHERIN\n", + "SONIKA\n", + "ARUN\n", + "Names in alphabetical order\n", + "ARUN\n", + "DEEPAK\n", + "SHERIN\n", + "SONIKA\n" + ] + } + ], + "prompt_number": 6 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 7 , Page number: CP-157" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "# Program to convert a line from lower case to upper case\n", + "# Variable declaretion\n", + "\n", + "import sys\n", + "\n", + "st = ['l','o','g','i','c','a','l',' ','t','h','i','n','k','i','n','g',' ','i','s',' ','a',' ','m','u','s','t',' ','t','o',' ','l','e','a','r','n',' ','p','r','o','g','r','a','m','m','i','n','g']\n", + "\n", + "print \"Enter a sentence :\"\n", + "for i in st:\n", + " print i,\n", + "print \n", + "print \"The converted upper case string is\"\n", + "# loop to convert lower case alphabet to upper case text\n", + "for i in range(len(st)):\n", + " if st[i] >= 'a' and st[i] <= 'z':\n", + " st[i] = chr(ord(st[i])-32)\n", + "\n", + "\n", + " sys.stdout.write(st[i])" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Enter a sentence :\n", + "l o g i c a l t h i n k i n g i s a m u s t t o l e a r n p r o g r a m m i n g\n", + "The converted upper case string is\n", + "LOGICAL THINKING IS A MUST TO LEARN PROGRAMMING" + ] + } + ], + "prompt_number": 13 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 9 , Page number: CP-160" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "# Program to read a text and to omit al occurrences of a particular word\n", + "# Variable declartion\n", + "\n", + "st = \"TO ACCESS THE NAME OF THE CITY IN THE LIST\"\n", + "i = 0\n", + "omit = \"THE\"\n", + "l = len(st)\n", + "j = 0\n", + "word = []\n", + "newst = \"\"\n", + "onesps = \"\"\n", + "print \"Enter a sentence :\"\n", + "print st\n", + "print \"Enter word to omit :\",omit\n", + "\n", + "# loop to omit the given word\n", + "\n", + "for i in range(l):\n", + " ch = i\n", + " if ch == ' ':\n", + " for j in word:\n", + " j = \" \" \n", + " if j == omit:\n", + " newst = j\n", + " newst = onesps\n", + " j = \" \"\n", + " j = 0\n", + " else:\n", + " j = ch\n", + " j = j + 1\n", + " i = i + 1\n", + "\n", + "print \"After omiting the word \" + omit\n", + "print newst\n", + "print \"Press any key to continue\"\n", + " " + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Enter a sentence :\n", + "TO ACCESS THE NAME OF THE CITY IN THE LIST\n", + "Enter word to omit : THE\n", + "After omiting the word THE\n", + "\n", + "Press any key to continue\n" + ] + } + ], + "prompt_number": 14 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 10 , Page number: CP-161" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "# Program to calculate the amount to be paid for the telegram\n", + "# Variable declaration\n", + "\n", + "count = 0\n", + "st = \"Congratulations on your success in Examinations.\"\n", + "l = len(st)\n", + "\n", + "print \"Type the sentence for Telegram\"\n", + "print st\n", + "\n", + "# loop to count number of words\n", + "\n", + "for i in range(l):\n", + " if st[i] == '?':\n", + " count = count + 1\n", + "\n", + "if count <= 10:\n", + " amt = 5\n", + "else:\n", + " amt = 5 + (count - 10) * 1.25\n", + "\n", + "print \"Amount to be paid for telegram = Rs.%0.2f\" % amt " + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Type the sentence for Telegram\n", + "Congratulations on your success in Examinations.\n", + "Amount to be paid for telegram = Rs.5.00\n" + ] + } + ], + "prompt_number": 15 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Example 11 , Page number: CP-163" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "# Program to count number of lines,words and characters\n", + "# Variable declaration\n", + "\n", + "txt = \"What is a string? How do you initialize it? Explain with example.$\"\n", + "st = \"\"\n", + "i = 0\n", + "lns = 0\n", + "wds = 0\n", + "chs = 0\n", + "\n", + "print \"Enter the text, type $ at end.\"\n", + "print txt\n", + "\n", + "# loop to count lines,words and characters in text\n", + "\n", + "while txt[i] != '$':\n", + " # switch case statements\n", + " if txt[i] == ' ':\n", + " wds = wds + 1\n", + " chs = chs + 1\n", + " elif txt[i] == '.':\n", + " wds = wds + 1\n", + " lns = lns + 1\n", + " chs = chs + 1\n", + " elif txt[i] == '?':\n", + " lns = lns + 1\n", + " else: # default\n", + " chs = chs + 1\n", + "\n", + " i = i + 1\n", + "\n", + "print \"Number of char (incl. blanks) =\",chs\n", + "print \"Number of words =\",wds\n", + "print \"Number of lines =\",lns\n", + "\n", + "\n", + " " + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Enter the text, type $ at end.\n", + "What is a string? How do you initialize it? Explain with example.$\n", + "Number of char (incl. blanks) = 63\n", + "Number of words = 12\n", + "Number of lines = 3\n" + ] + } + ], + "prompt_number": 16 + }, + { + "cell_type": "code", + "collapsed": false, + "input": [], + "language": "python", + "metadata": {}, + "outputs": [] + } + ], + "metadata": {} + } + ] +}
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