{ "metadata": { "name": "" }, "nbformat": 3, "nbformat_minor": 0, "worksheets": [ { "cells": [ { "cell_type": "heading", "level": 1, "metadata": {}, "source": [ "Chapter 10: Miscellany" ] }, { "cell_type": "heading", "level": 2, "metadata": {}, "source": [ "Example 10.1, Page number: 356" ] }, { "cell_type": "code", "collapsed": false, "input": [ "import sys\n", "\n", "# Calculation and result\n", "i = 0\n", "for arg in sys.argv :\n", " print ('arg [%d] - %s' % (i, arg))\n", " i = i+1" ], "language": "python", "metadata": {}, "outputs": [] }, { "cell_type": "code", "collapsed": false, "input": [ "%run 10.1.py hello world" ], "language": "python", "metadata": {}, "outputs": [ { "output_type": "stream", "stream": "stdout", "text": [ "arg [0] - 10.1.py\n", "arg [1] - hello\n", "arg [2] - world\n" ] } ], "prompt_number": 5 }, { "cell_type": "heading", "level": 2, "metadata": {}, "source": [ "Example 10.2, Page number: 358" ] }, { "cell_type": "code", "collapsed": false, "input": [ "import sys\n", "\n", "# Function declaration, calculation and result\n", "if len(sys.argv) != 2 :\n", "\tprint ('Inappropriate number of arguments')\n", "\t\n", "total = 0\n", "def fact (n) :\n", " total = n\n", " while n > 1 :\n", " total = total * (n - 1)\n", " n = n - 1\n", " return total\n", "\n", "print ('Factorial of %d is %d ' % (int(sys.argv[1]), fact (int(sys.argv[1]))))" ], "language": "python", "metadata": {}, "outputs": [] }, { "cell_type": "code", "collapsed": false, "input": [ "%run 10.2.py 5" ], "language": "python", "metadata": {}, "outputs": [ { "output_type": "stream", "stream": "stdout", "text": [ "Factorial of 5 is 120 \n" ] } ], "prompt_number": 7 }, { "cell_type": "heading", "level": 2, "metadata": {}, "source": [ "Example 10.3, Page number: 361" ] }, { "cell_type": "code", "collapsed": false, "input": [ "import sys\n", "\n", "# Function declaration\n", "def printdata () :\n", "\ti = 0\n", "\tfor arg in sys.argv[1:] :\n", "\t\tprint ('The data in cell [%d] is %s ' % (i, arg))\n", "\t\ti = i+1\n", "\n", "# Calculation and result\n", "print ('The names before sorting are ')\n", "printdata ()\n", "\n", "sys.argv.sort() \n", "\n", "print ('The names after sorting are ')\n", "printdata ()" ], "language": "python", "metadata": {}, "outputs": [] }, { "cell_type": "code", "collapsed": false, "input": [ "%run 10.3.py zimbabwe nigeria argentina china hongkong" ], "language": "python", "metadata": {}, "outputs": [ { "output_type": "stream", "stream": "stdout", "text": [ "The names before sorting are \n", "The data in cell [0] is zimbabwe \n", "The data in cell [1] is nigeria \n", "The data in cell [2] is argentina \n", "The data in cell [3] is china \n", "The data in cell [4] is hongkong \n", "The names after sorting are \n", "The data in cell [0] is argentina \n", "The data in cell [1] is china \n", "The data in cell [2] is hongkong \n", "The data in cell [3] is nigeria \n", "The data in cell [4] is zimbabwe \n" ] } ], "prompt_number": 8 }, { "cell_type": "heading", "level": 2, "metadata": {}, "source": [ "Example 10.4, Page number: 377" ] }, { "cell_type": "code", "collapsed": false, "input": [ "# Variable declaration\n", "a = int(raw_input('Enter any positive number '))\n", "\n", "# Function declaration, calculation and result\n", "def convert (a) :\n", " return int(bin(a)[2:])\n", "\n", "bits = str(convert (a))\n", "print ('Number of bits = %d' % (len(bits)))\n", "print ('Binary equivalent is : %d' % (convert (a)))" ], "language": "python", "metadata": {}, "outputs": [ { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Enter any positive number 16\n" ] }, { "output_type": "stream", "stream": "stdout", "text": [ "Number of bits = 5\n", "Binary equivalent is : 10000\n" ] } ], "prompt_number": 13 }, { "cell_type": "heading", "level": 2, "metadata": {}, "source": [ "Example 10.5, Page number: 379" ] }, { "cell_type": "code", "collapsed": false, "input": [ "# Variable declaration\n", "a = int(raw_input('Enter first number : '))\n", "b = int(raw_input('Enter second number : '))\n", "\n", "# Calculation and result\n", "b = ~b + 1\n", "c = a + b\n", "\n", "print ('Subtraction is = %d ' % c)" ], "language": "python", "metadata": {}, "outputs": [ { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Enter first number : 7\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Enter second number : 3\n" ] }, { "output_type": "stream", "stream": "stdout", "text": [ "Subtraction is = 4 \n" ] } ], "prompt_number": 11 }, { "cell_type": "heading", "level": 2, "metadata": {}, "source": [ "Example 10.6, Page number: 380" ] }, { "cell_type": "code", "collapsed": false, "input": [ "# Variable declaration\n", "a = int(raw_input('Enter first number : '))\n", "original_a = a\n", "\n", "b = int(raw_input('Enter second number : '))\n", "original_b = b\n", "\n", "# Calculation and result\n", "c = 1\n", "while (b) :\n", "\tif (b & 1) :\n", "\t\tc = c * a\n", "\tb = b >> 1\n", "\ta = a * a\n", "\n", "print ('%d raise to %d = %d ' % (original_a, original_b, c))" ], "language": "python", "metadata": {}, "outputs": [ { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Enter first number : 7\n" ] }, { "name": "stdout", "output_type": "stream", "stream": "stdout", "text": [ "Enter second number : 3\n" ] }, { "output_type": "stream", "stream": "stdout", "text": [ "7 raise to 3 = 343 \n" ] } ], "prompt_number": 12 } ], "metadata": {} } ] }