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Diffstat (limited to 'Beginning_C_By_Ivon_Horton/chapter2.ipynb')
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diff --git a/Beginning_C_By_Ivon_Horton/chapter2.ipynb b/Beginning_C_By_Ivon_Horton/chapter2.ipynb new file mode 100644 index 00000000..7e4b1bf3 --- /dev/null +++ b/Beginning_C_By_Ivon_Horton/chapter2.ipynb @@ -0,0 +1,823 @@ +{ + "metadata": { + "name": "" + }, + "nbformat": 3, + "nbformat_minor": 0, + "worksheets": [ + { + "cells": [ + { + "cell_type": "heading", + "level": 1, + "metadata": {}, + "source": [ + "Chapter 2: First Steps in Programming" + ] + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Program 2.1, page no. 27" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "\"\"\"\n", + "What is a Variable?\n", + "\"\"\"\n", + "\n", + "print \"My salary is $10000\"" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "My salary is $10000\n" + ] + } + ], + "prompt_number": 1 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Program 2.2, page no. 29" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "\"\"\"\n", + "Using a variable\n", + "\"\"\"\n", + " \n", + "salary = 10000; #Declare and store 10000 in variable called salary\n", + "print \"My salary is %d.\" %salary" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "My salary is 10000.\n" + ] + } + ], + "prompt_number": 2 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Program 2.3, page no. 31" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "\"\"\"\n", + "Using more variables\n", + "\"\"\"\n", + "\n", + "brothers = 7 #declaring variable & storing value\n", + "brides = 7 #declaring variable & storing value\n", + " \n", + "print \"%d brides for %d brothers\" %(brides, brothers)" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "7 brides for 7 brothers\n" + ] + } + ], + "prompt_number": 3 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Program 2.4, page no. 34" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "\"\"\"\n", + "Program 2.4 Simple calculations\n", + "\"\"\"\n", + "\n", + "cats = 2\n", + "dogs = 1\n", + "ponies = 1\n", + "others = 46\n", + " \n", + "total_pets = cats + dogs + ponies + others;\n", + " \n", + "print \"We have %d pets in total\\n\" %total_pets" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "We have 50 pets in total\n", + "\n" + ] + } + ], + "prompt_number": 4 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Program 2.5, page no. 37" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "\"\"\"\n", + "Calculations with cookies\n", + "\"\"\"\n", + "\n", + "cookies = 5\n", + "cookie_calories = 125\n", + "total_eaten = 0\n", + "eaten = 2\n", + "cookies = cookies - eaten\n", + "total_eaten = total_eaten + eaten\n", + "print \"I have eaten %d cookies. There are %d cookies left\" %(eaten, cookies)\n", + " \n", + "eaten = 3\n", + "cookies = cookies - eaten\n", + "total_eaten = total_eaten + eaten\n", + "print \"I have eaten %d more. Now there are %d cookies left\\n\" %(eaten, cookies)\n", + "print \"Total energy consumed is %d calories.\\n\" %(total_eaten*cookie_calories)" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "I have eaten 2 cookies. There are 3 cookies left\n", + "I have eaten 3 more. Now there are 0 cookies left\n", + "\n", + "Total energy consumed is 625 calories.\n", + "\n" + ] + } + ], + "prompt_number": 5 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Program 2.6, page no. 39" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "\"\"\"\n", + "Cookies and kids\n", + "\"\"\"\n", + "\n", + "cookies = 45\n", + "children = 7\n", + "cookies_per_child = 0\n", + "cookies_left_over = 0\n", + " \n", + "cookies_per_child = cookies/children\n", + "print \"You have %d children and %d cookies\" %(children, cookies)\n", + "print \"Give each child %d cookies.\\n\" %cookies_per_child\n", + "cookies_left_over = cookies%children\n", + "print \"There are %d cookies left over.\\n\" %cookies_left_over" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "You have 7 children and 45 cookies\n", + "Give each child 6 cookies.\n", + "\n", + "There are 3 cookies left over.\n", + "\n" + ] + } + ], + "prompt_number": 6 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Program 2.7, page no. 48" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "\"\"\"\n", + "Division with float values\n", + "\"\"\"\n", + "\n", + "plank_length = 10.0\n", + "piece_count = 4.0\n", + "piece_length = 0.0\n", + " \n", + "piece_length = plank_length/piece_count;\n", + "print \"A plank %f feet long can be cut into %f pieces %f feet long.\\n\" %(plank_length, piece_count, piece_length)" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "A plank 10.000000 feet long can be cut into 4.000000 pieces 2.500000 feet long.\n", + "\n" + ] + } + ], + "prompt_number": 7 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Program 2.8, page no. 51" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "\"\"\"\n", + "calculations on a table\n", + "\"\"\"\n", + "\n", + "radius = 0.0\n", + "diameter = 0.0\n", + "circumference = 0.0\n", + "area = 0.0\n", + "Pi = 3.14159265\n", + " \n", + "print \"Input the diameter of the table:\",\n", + "diameter = float(raw_input()) \n", + "radius = diameter/2.0\n", + "circumference = 2.0*Pi*radius\n", + "area = Pi*radius*radius\n", + " \n", + "print \"\\nThe circumference is %0.2f\" %circumference\n", + "print \"\\nThe area is %0.2f\\n\" %area" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Input the diameter of the table:" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "6\n" + ] + }, + { + "output_type": "stream", + "stream": "stdout", + "text": [ + " \n", + "The circumference is 18.85\n", + "\n", + "The area is 28.27\n", + "\n" + ] + } + ], + "prompt_number": 8 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Program 2.9, page no. 54" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "\"\"\"\n", + "More round tables\n", + "\"\"\"\n", + "\n", + "PI = 3.14159\n", + " \n", + "radius = 0.0\n", + "diameter = 0.0\n", + "circumference = 0.0\n", + "area = 0.0\n", + " \n", + "print \"Input the diameter of a table:\", \n", + "diameter = float(raw_input())\n", + " \n", + "radius = diameter/2.0\n", + "circumference = 2.0*PI*radius\n", + "area = PI*radius*radius;\n", + " \n", + "print \"\\nThe circumference is %.2f. \" %circumference\n", + "print \"\\nThe area is %.2f.\\n\" %area" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Input the diameter of a table:" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "6\n" + ] + }, + { + "output_type": "stream", + "stream": "stdout", + "text": [ + " \n", + "The circumference is 18.85. \n", + "\n", + "The area is 28.27.\n", + "\n" + ] + } + ], + "prompt_number": 9 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Program 2.10, page no. 55" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "\"\"\"\n", + "Round tables again but shorter\n", + "\"\"\"\n", + "\n", + "diameter = 0.0\n", + "radius = 0.0\n", + "Pi = 3.14159\n", + " \n", + "print \"Input the diameter of the table:\",\n", + "diameter = float(raw_input())\n", + "radius = diameter/2.0\n", + " \n", + "print \"\\nThe circumference is %.2f.\" %(2.0*Pi*radius)\n", + "print \"\\nThe area is %.2f.\\n\" %(Pi*radius*radius)" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Input the diameter of the table:" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "6\n" + ] + }, + { + "output_type": "stream", + "stream": "stdout", + "text": [ + " \n", + "The circumference is 18.85.\n", + "\n", + "The area is 28.27.\n", + "\n" + ] + } + ], + "prompt_number": 10 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "example 2.12, page no. 59" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "\"\"\"\n", + "Data Types\n", + "Note: there is no long double, or float double or double range or short.\n", + "Also, the size of data types my defer compared to c & there is no limit so we\n", + "have skipped example 2.11 of this chapter\n", + "\"\"\"\n", + "\n", + "import sys \n", + "\n", + "print \"Size of Integer is: \" + str(sys.getsizeof(int()))\n", + "print \"Size of Float is: \" + str(sys.getsizeof(float()))\n", + "print \"Size of Long is: \" + str(sys.getsizeof(long()))\n", + "print \"Size of String is: \" + str(sys.getsizeof(str()))\n" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Size of Integer is: 24\n", + "Size of Float is: 24\n", + "Size of Long is: 24\n", + "Size of String is: 37\n" + ] + } + ], + "prompt_number": 11 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Program 2.13, page no. 60" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "\"\"\"\n", + "Choosing the correct type for the job\n", + "note: there won't be any error as said in the book, hence, skipping 2.14\n", + "\"\"\"\n", + "\n", + "Revenue_Per_150 = 4.5\n", + "JanSold = 23500\n", + "FebSold = 19300\n", + "MarSold = 21600\n", + "RevQuarter = 0.0\n", + " \n", + "QuarterSold = JanSold + FebSold + MarSold\n", + " \n", + "print \"Stock sold in\\n Jan: %d\\n Feb: %d\\n Mar: %d\\n\" %(JanSold, FebSold, MarSold)\n", + "print \"Total stock sold in first quarter: %d\\n\" %QuarterSold\n", + " \n", + "RevQuarter = QuarterSold/150*Revenue_Per_150\n", + "print \"Sales revenue this quarter is:$%.2f\\n\" %RevQuarter" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Stock sold in\n", + " Jan: 23500\n", + " Feb: 19300\n", + " Mar: 21600\n", + "\n", + "Total stock sold in first quarter: 64400\n", + "\n", + "Sales revenue this quarter is:$1930.50\n", + "\n" + ] + } + ], + "prompt_number": 12 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Program 2.15, page no. 68" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "\"\"\"\n", + "Characters and numbers\n", + "\"\"\"\n", + "\n", + "first = 'T'\n", + "second = 63\n", + " \n", + "print \"The first example as a letter looks like this - \", first\n", + "print \"The first example as a number looks like this - \", ord(first)\n", + "print \"The second example as a letter looks like this - \", chr(second)\n", + "print \"The second example as a number looks like this - %d\\n\" %second" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "The first example as a letter looks like this - T\n", + "The first example as a number looks like this - 84\n", + "The second example as a letter looks like this - ?\n", + "The second example as a number looks like this - 63\n", + "\n" + ] + } + ], + "prompt_number": 13 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Program 2.16, page no. 69" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "\"\"\"\n", + "Using type char\n", + "\"\"\"\n", + "\n", + "first = 'A'\n", + "second = 'B'\n", + "last = 'Z'\n", + "number = 40\n", + "ex1 = ord(first) + 2\n", + "ex2 = ord(second) - 1\n", + "ex3 = ord(last) + 2\n", + " \n", + "print \"Character values \\t %-5c%-5c%-5c\\n\" %(chr(ex1), chr(ex2), chr(ex3))\n", + "print \"Numerical equivalents\\t %-5d%-5d%-5d\\n\" %(ex1, ex2, ex3)\n", + "print \"The number %d is the code for the character %c\" %(number, chr(number))" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Character values \t C A \\ \n", + "\n", + "Numerical equivalents\t 67 65 92 \n", + "\n", + "The number 40 is the code for the character (\n" + ] + } + ], + "prompt_number": 14 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Program 2.17 (combines 2.18 also), page no. 80" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "\"\"\"\n", + "Calculating the height of a tree\n", + "\"\"\"\n", + "\n", + "shorty = 0.0\n", + "lofty = 0.0\n", + "feet = 0.0\n", + "inches = 0.0\n", + "shorty_to_lofty = 0.0\n", + "lofty_to_tree = 0.0\n", + "inches_per_foot = 12.0\n", + " \n", + "print \"Enter Lofty's height to the top of his/her head, in whole feet: \",\n", + "feet = float(raw_input())\n", + "print \"...and then inches: \",\n", + "inches = float(raw_input())\n", + "lofty = feet*inches_per_foot + inches\n", + "\n", + "print \"Enter Shorty's height up to his/her eyes, in whole feet: \",\n", + "feet = float(raw_input())\n", + "print \"... and then inches: \",\n", + "inches = float(raw_input())\n", + "shorty = feet*inches_per_foot + inches\n", + " \n", + "print \"Enter the distance between Shorty and Lofty, in whole feet: \",\n", + "feet = float(raw_input())\n", + "print \"... and then inches: \",\n", + "inches = float(raw_input())\n", + "shorty_to_lofty = feet*inches_per_foot + inches\n", + " \n", + "print \"Finally enter the distance from Lofty to the tree to the nearest foot: \",\n", + "feet = float(raw_input())\n", + "lofty_to_tree = feet*inches_per_foot\n", + "\n", + "\n", + "tree_height = shorty + (shorty_to_lofty + lofty_to_tree)*(lofty-shorty)/shorty_to_lofty\n", + " \n", + "print \"The height of the tree is %ld feet and %ld inches.\\n\" %(tree_height/inches_per_foot, tree_height% inches_per_foot)" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Enter Lofty's height to the top of his/her head, in whole feet: " + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "6\n" + ] + }, + { + "output_type": "stream", + "stream": "stdout", + "text": [ + " ...and then inches: " + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "2\n" + ] + }, + { + "output_type": "stream", + "stream": "stdout", + "text": [ + " Enter Shorty's height up to his/her eyes, in whole feet: " + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "4\n" + ] + }, + { + "output_type": "stream", + "stream": "stdout", + "text": [ + " ... and then inches: " + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "6\n" + ] + }, + { + "output_type": "stream", + "stream": "stdout", + "text": [ + " Enter the distance between Shorty and Lofty, in whole feet: " + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "5\n" + ] + }, + { + "output_type": "stream", + "stream": "stdout", + "text": [ + " ... and then inches: " + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "0\n" + ] + }, + { + "output_type": "stream", + "stream": "stdout", + "text": [ + " Finally enter the distance from Lofty to the tree to the nearest foot: " + ] + }, + { + "name": "stdout", + "output_type": "stream", + "stream": "stdout", + "text": [ + "20\n" + ] + }, + { + "output_type": "stream", + "stream": "stdout", + "text": [ + " The height of the tree is 12 feet and 10 inches.\n", + "\n" + ] + } + ], + "prompt_number": 15 + } + ], + "metadata": {} + } + ] +}
\ No newline at end of file |