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{
"metadata": {
"name": "Chapter11"
},
"nbformat": 3,
"nbformat_minor": 0,
"worksheets": [
{
"cells": [
{
"cell_type": "heading",
"level": 1,
"metadata": {},
"source": "Chapter 11, Files"
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": "Example 1, Page Number:CP-277"
},
{
"cell_type": "code",
"collapsed": false,
"input": "# Program to create a text file\n\nfp = open(\"sample.txt\",\"w\") # open file in write mode\n\nprint \"Type the text and Press enter key at end.\"\nprint\nprint \"Computer Programming in C language is widely used for Science and Engineering applications\"\n# input data to file\nch = ['Computer ','Programming ','in ','C ','language ','is ','widely ','used ','for ','Science ','and ' ,'Engineering ','applications.']\nfor i in ch:\n fp.write(i)\nfp.close()\n ",
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": "Type the text and Press enter key at end.\n\nComputer Programming in C language is widely used for Science and Engineering applications\n"
}
],
"prompt_number": 1
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": "Example 2, Page Number:CP-278"
},
{
"cell_type": "code",
"collapsed": false,
"input": "# Program to read text file and count number of vowels\n\nfp = open(\"sample.txt\",\"r\") # open file in read mode\ncount = 0\nprint \"The Content of the file is:\"\n\nwhile (1): \n ch = fp.read(1)\n if not ch:\n break\n print ch\n # switch statements\n if ch == \"A\" or ch == \"a\": # case 'A' or 'a'\n count = count + 1\n elif ch == \"E\" or ch == \"e\": # case 'E' or 'e'\n count = count + 1\n elif ch == \"I\" or ch == \"i\": # case 'I' or 'i'\n count = count + 1\n elif ch == \"O\" or ch == \"o\": # case 'O' or 'o'\n count = count + 1\n elif ch == \"U\" or ch == \"u\": # case 'U' or 'u'\n count = count + 1\n\n\n\nfp.close() \nprint \"Number of vowels present =\",count \n ",
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": "The Content of the file is:\nC\no\nm\np\nu\nt\ne\nr\n \nP\nr\no\ng\nr\na\nm\nm\ni\nn\ng\n \ni\nn\n \nC\n \nl\na\nn\ng\nu\na\ng\ne\n \ni\ns\n \nw\ni\nd\ne\nl\ny\n \nu\ns\ne\nd\n \nf\no\nr\n \nS\nc\ni\ne\nn\nc\ne\n \na\nn\nd\n \nE\nn\ng\ni\nn\ne\ne\nr\ni\nn\ng\n \na\np\np\nl\ni\nc\na\nt\ni\no\nn\ns\n.\nNumber of vowels present = 31\n"
}
],
"prompt_number": 2
}
],
"metadata": {}
}
]
}
|
