{
"metadata": {
"name": "",
"signature": "sha256:67a316ecc3def0c634c382410d442033098ecf91839327bce17c0f2bf4424e27"
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"nbformat": 3,
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"worksheets": [
{
"cells": [
{
"cell_type": "heading",
"level": 1,
"metadata": {},
"source": [
"Chapter 10: Essential Input and Output"
]
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Program 10.1, page no. 400 "
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"\n",
"\n",
"import sys\n",
"\n",
"def try_input(prompt, format):\n",
" value_count = 5\n",
" print prompt\n",
" fp1 = float(raw_input(\"fp1: \"))\n",
" i = int(raw_input(\"i: \"))\n",
" j = int(raw_input(\"j: \"))\n",
" word1 = raw_input()\n",
" size_word1 = sys.getsizeof(word1)\n",
" word2 = raw_input()\n",
" size_word2 = sys.getsizeof(word2)\n",
" print \"The input format string for scanf_s() is: \\\"%s\\\"\" %format\n",
" print \"Count of bytes read = \", (size_word1 + size_word2)\n",
" print \"Count of values read = %d\" % value_count\n",
" print \"fp1 = %f i = %d j = %d\" %(fp1, i, j)\n",
" print \"word1 = %s word2 = %s\" %(word1, word2)\n",
" \n",
"try_input(\"Enter as input: -2.35 15 25 ready2go \", \"%f %d %d %[abcdefghijklmnopqrstuvwxyz] %*1d %s%n\" )\n",
"try_input(\"Enter the same input again: \", \"%4f %4d %d %*d %[abcdefghijklmnopqrstuvwxyz] %*1d %[^o]%n\")\n",
"try_input(\"Enter as input: -2.3 15 25 ready2go\\n\",\"%4f %4d %d %*d %[abcdefghijklmnopqrstuvwxyz] %*1d %[^o]%n\")"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Enter as input: -2.35 15 25 ready2go \n"
]
},
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"fp1: -2.35\n"
]
},
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"i: 15\n"
]
},
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"j: 25\n"
]
},
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"ready2\n"
]
},
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"go\n"
]
},
{
"output_type": "stream",
"stream": "stdout",
"text": [
"The input format string for scanf_s() is: \"%f %d %d %[abcdefghijklmnopqrstuvwxyz] %*1d %s%n\"\n",
"Count of bytes read = 82\n",
"Count of values read = 5\n",
"fp1 = -2.350000 i = 15 j = 25\n",
"word1 = ready2 word2 = go\n",
"Enter the same input again: \n"
]
},
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"fp1: -2.35\n"
]
},
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"i: 15\n"
]
},
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"j: 25\n"
]
},
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"ready 2go\n"
]
},
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"2go\n"
]
},
{
"output_type": "stream",
"stream": "stdout",
"text": [
"The input format string for scanf_s() is: \"%4f %4d %d %*d %[abcdefghijklmnopqrstuvwxyz] %*1d %[^o]%n\"\n",
"Count of bytes read = 86\n",
"Count of values read = 5\n",
"fp1 = -2.350000 i = 15 j = 25\n",
"word1 = ready 2go word2 = 2go\n",
"Enter as input: -2.3 15 25 ready2go\n",
"\n"
]
},
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"fp1: -2.35\n"
]
},
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"i: 15\n"
]
},
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"j: 225\n"
]
},
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"ready2\n"
]
},
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"go\n"
]
},
{
"output_type": "stream",
"stream": "stdout",
"text": [
"The input format string for scanf_s() is: \"%4f %4d %d %*d %[abcdefghijklmnopqrstuvwxyz] %*1d %[^o]%n\"\n",
"Count of bytes read = 82\n",
"Count of values read = 5\n",
"fp1 = -2.350000 i = 15 j = 225\n",
"word1 = ready2 word2 = go\n"
]
}
],
"prompt_number": 3
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Program 10.2, page no. 403"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"\n",
"\n",
"value_count = 2\n",
"print \"Enter: fp1 = 3.14159 i = 7 j = 8\"\n",
"print \"Input: \"\n",
"fp1 = float(raw_input(\"fp1: \"))\n",
"i = int(raw_input(\"i: \"))\n",
"j = int(raw_input(\"j: \"))\n",
"\n",
"print \"Output:\"\n",
"print \"Count of values read = \", value_count\n",
"print \"fp1 = %f\\ti = %d\\tj = %d \" %(fp1, i, j)"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Enter: fp1 = 3.14159 i = 7 j = 8\n",
"Input: \n"
]
},
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"fp1: 3.13159\n"
]
},
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"i: 7\n"
]
},
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"j: 8\n"
]
},
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Output:\n",
"Count of values read = 2\n",
"fp1 = 3.131590\ti = 7\tj = 8 \n"
]
}
],
"prompt_number": 4
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Program 10.3, page no. 405"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"\n",
"\n",
"value_count = 3\n",
"print \"Enter: 3.14 3.14 3.14\"\n",
" \n",
"print \"Input: \"\n",
"\n",
"fp1 = float(raw_input(\"fp1: \"))\n",
"fp2 = float(raw_input(\"fp2: \"))\n",
"fp3 = float(raw_input(\"fp3: \"))\n",
"\n",
"print \"Output: \"\n",
"print \"Number of values read = \", value_count\n",
"print \"fp1 = %f fp2 = %f fp3 = %f\" %(fp1, fp2, fp3)"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Enter: 3.14 3.14 3.14\n",
"Input: \n"
]
},
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"fp1: 3.14\n"
]
},
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"fp2: 3.14\n"
]
},
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"fp3: 3.14\n"
]
},
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Output: \n",
"Number of values read = 3\n",
"fp1 = 3.140000 fp2 = 3.140000 fp3 = 3.140000\n"
]
}
],
"prompt_number": 5
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Program 10.4, page no. 406"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"\n",
"print \"Enter three integer values: \"\n",
"n = 3\n",
"i = int(raw_input())\n",
"j = int(raw_input(), 16)\n",
"k = int(raw_input(), 8)\n",
" \n",
"print \"Output:\"\n",
"print \"%d values read.\" % n\n",
"print \"i = %d j = %d k = %d \" %(i, j, k )"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Enter three integer values: \n"
]
},
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"5\n"
]
},
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"8\n"
]
},
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"6\n"
]
},
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Output:\n",
"3 values read.\n",
"i = 5 j = 8 k = 6 \n"
]
}
],
"prompt_number": 6
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Program 10.5, page no. 408"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"\n",
"\n",
"print \"Enter your first initial: \",\n",
"initial = raw_input()\n",
"print \"Enter your first name: \",\n",
"name = raw_input()\n",
"\n",
"if(initial != name[0]):\n",
" print \"%s, you got your initial wrong. \" % name\n",
"else:\n",
" print \"Hi, %s. Your initial is correct. Well done! \" %name \n",
" print \"Enter your full name and your age separated by a comma: \", \n",
" name_age = raw_input()\n",
" print \"Your name is %s and you are %s years old.\" %(name_age.split(',')[0], name_age.split(',')[1])"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Enter your first initial: "
]
},
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"M\n"
]
},
{
"output_type": "stream",
"stream": "stdout",
"text": [
" Enter your first name: "
]
},
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"Michael\n"
]
},
{
"output_type": "stream",
"stream": "stdout",
"text": [
" Hi, Michael. Your initial is correct. Well done! \n",
"Enter your full name and your age separated by a comma: "
]
},
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"Michael, 35\n"
]
},
{
"output_type": "stream",
"stream": "stdout",
"text": [
" Your name is Michael and you are 35 years old.\n"
]
}
],
"prompt_number": 9
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
" Program 10.6, page no. 410"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"\n",
"\n",
"print \"Enter your first initial: \",\n",
"initial = raw_input()\n",
"print \"Enter your first name: \",\n",
"name = raw_input()\n",
"\n",
"if(initial != name[0]):\n",
" print \"%s, you got your initial wrong. \" % name\n",
"else:\n",
" print \"Hi, %s. Your initial is correct. Well done! \" %name \n"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Enter your first initial: "
]
},
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"M\n"
]
},
{
"output_type": "stream",
"stream": "stdout",
"text": [
" Enter your first name: "
]
},
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"Nichael\n"
]
},
{
"output_type": "stream",
"stream": "stdout",
"text": [
" Nichael, you got your initial wrong. \n"
]
}
],
"prompt_number": 10
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Program 10.7, page no. 412"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"\n",
"\n",
"print \"Enter a sequence of integers and alphabetic names in a single line(separated by spaces): \",\n",
"text = raw_input()\n",
"split_text = text.split(' ')\n",
"for element in split_text:\n",
" if element.isdigit():\n",
" print \"Integer Value: \", element\n",
" elif element.isalpha():\n",
" print \"Name: \", element\n",
" else:\n",
" pass "
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Enter a sequence of integers and alphabetic names in a single line(separated by spaces): "
]
},
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"Fred 22 34 Mary Jack 89 Jane\n"
]
},
{
"output_type": "stream",
"stream": "stdout",
"text": [
" Name: Fred\n",
"Integer Value: 22\n",
"Integer Value: 34\n",
"Name: Mary\n",
"Name: Jack\n",
"Integer Value: 89\n",
"Name: Jane\n"
]
}
],
"prompt_number": 11
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Program 10.8, page no. 419"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"\n",
"\n",
"i = 15\n",
"j = 345\n",
"k = 4567\n",
"li = 56789\n",
"lj = 67891234567\n",
"lk = 23456789\n",
"\n",
"print \"i = %d j = %d k = %d li = %6.3d lj = %6.3d lk = %6.3d\" %(i ,j, k, i, j, k)\n",
"print \"i = %-d j = %+d k = %-d i = %-6.3d j = %-6.3d k = %-6.3d \" %(i ,j, k, i, j, k)\n",
"print \"li = %d lj = %d lk = %d \" %(li, lj, lk)\n",
"print \"li = %d lj = %d lk = %d \" %(li, lj, lk)"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"i = 15 j = 345 k = 4567 li = 015 lj = 345 lk = 4567\n",
"i = 15 j = +345 k = 4567 i = 015 j = 345 k = 4567 \n",
"li = 56789 lj = 67891234567 lk = 23456789 \n",
"li = 56789 lj = 67891234567 lk = 23456789 \n"
]
}
],
"prompt_number": 12
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Program 10.9, page no. 421"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"\n",
"\n",
"k = \"678\"\n",
"hex_k = int(k, 16)\n",
"oct_k = int(oct(int(k)))\n",
"k = 678\n",
"print \"%%d %%o %%x %%X \"\n",
"print \"%d %d %d %d \" %(k, oct_k, hex_k, hex_k)\n",
"print \"|%%8d \\t|%%-8d \\t|%%+8d \\t|%%08d \\t|%%-+8d\"\n",
"print \"|%8d |%-8d |%+8d |%08d |%-+8d |\" %(k, k, k, k, k)"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"%%d %%o %%x %%X \n",
"678 1246 1656 1656 \n",
"|%%8d \t|%%-8d \t|%%+8d \t|%%08d \t|%%-+8d\n",
"| 678 |678 | +678 |00000678 |+678 |\n"
]
}
],
"prompt_number": 13
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Program 10.10, page no. 422"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"\n",
"\n",
"fp1 = 345.678\n",
"fp2 = 1.234E6\n",
"fp3 = 234567898.0\n",
"fp4 = 11.22334455e-6\n",
" \n",
"print \"%f %+f %-10.4f %6.4f\" %(fp1, fp2, fp1, fp2)\n",
"print \"%e %+E\\n\" %(fp1, fp2)\n",
"print \"%f %g %#+f %8.4f %10.4g \" %(fp3,fp3, fp3, fp3, fp4)"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"345.678000 +1234000.000000 345.6780 1234000.0000\n",
"3.456780e+02 +1.234000E+06\n",
"\n",
"234567898.000000 2.34568e+08 +234567898.000000 234567898.0000 1.122e-05 \n"
]
}
],
"prompt_number": 15
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Program 10.11, page no. 423"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"\n",
"\n",
"import string\n",
"\n",
"count = 0\n",
"print \"The printable characters are the following: \"\n",
"printable = string.printable\n",
"for char in printable:\n",
" if count % 32 == 0:\n",
" print \"\"\n",
" print char,\n",
" count += 1"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"The printable characters are the following: \n",
"\n",
"0 1 2 3 4 5 6 7 8 9 a b c d e f g h i j k l m n o p q r s t u v \n",
"w x y z A B C D E F G H I J K L M N O P Q R S T U V W X Y Z ! \" \n",
"# $ % & ' ( ) * + , - . / : ; < = > ? @ [ \\ ] ^ _ ` { | } ~ \t\n",
"\n",
"\r",
"\u000b",
"\f"
]
}
],
"prompt_number": 1
}
],
"metadata": {}
}
]
}