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|
{
"metadata": {
"name": "",
"signature": "sha256:53d2aae81c824182838b074246429ee4c039bafa2ea2a0b5b38839beb8288df9"
},
"nbformat": 3,
"nbformat_minor": 0,
"worksheets": [
{
"cells": [
{
"cell_type": "heading",
"level": 1,
"metadata": {},
"source": [
"Chapter 9: Processing macros"
]
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 9.1, Page No.153"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"print \"This is a simple test program\""
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"This is a simple test program\n"
]
}
],
"prompt_number": 1
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 9.2, Page No.154"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"BOOK=\"C++ Programming in easy steps\"\n",
"NUM=200\n",
"RULE=\"*****************************\"\n",
"print RULE\n",
"print BOOK\n",
"print RULE\n",
"print \"NUM is:\",NUM\n",
"print \"Double NUM:\",NUM*2"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"*****************************\n",
"C++ Programming in easy steps\n",
"*****************************\n",
"NUM is: 200\n",
"Double NUM: 400\n"
]
}
],
"prompt_number": 7
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 9.3, Page No.156"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"if not 'BOOK' in locals():\n",
" BOOK=\"C++ Programming in easy steps\"\n",
"\n",
"print BOOK,\n",
"if not 'AUTHOR' in locals():\n",
" AUTHOR=\"Mike McGrath\"\n",
"print \" by \",AUTHOR\n",
"if not 'BOOK' in locals():\n",
" BOOK=\"\"\n",
"if 'BOOK' in locals():\n",
" BOOK=\"Linux in easy steps\"\n",
"\n",
"print BOOK,\" by \",AUTHOR"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Linux in easy steps by Mike McGrath\n",
"Linux in easy steps by Mike McGrath\n"
]
}
],
"prompt_number": 26
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 9.4, Page No.159"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"\n",
"import platform\n",
"plat=platform.system()\n",
"print plat,\" system\"\n",
"if plat==\"Windows\":\n",
" print \"Performing Windows-only tasks\"\n",
"else:\n",
" print \"Performing Linux-only tasks\""
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Windows system\n",
"Performing Windows-only tasks\n"
]
}
],
"prompt_number": 32
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 9.5, Page No.160"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"def add(x,y):\n",
" return x+y\n",
"def triple(x):\n",
" return (add(x,add(x,x)))\n",
"print \"9 + 3 = \",add(9,3)\n",
"print \"9 x 3 = \",triple(9)"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"9 + 3 = 12\n",
"9 x 3 = 27\n"
]
}
],
"prompt_number": 34
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 9.6, Page No.162"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"def SQUARE(n):\n",
" return n*n\n",
"def CUBE(n):\n",
" return n*n*n\n",
"num=5\n",
"print \"Macro SQUARE:\",SQUARE(num)\n",
"print \"inline square:\",SQUARE(num)\n",
"print \"Macro CUBE:\",CUBE(num)\n",
"print \"inline CUBE:\",CUBE(num)"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Macro SQUARE: 25\n",
"inline square: 25\n",
"Macro CUBE: 125\n",
"inline CUBE: 125\n"
]
}
],
"prompt_number": 35
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 9.7, Page No.164"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"def LINEOUT(str):\n",
" print str\n",
"def GLUEOUT(a,b):\n",
" print a,\" \",b\n",
"longer=\"They carried a net \"\n",
"line=\"and their hearts \"\n",
"LINEOUT(\"In a bowl to sea went wise men three\")\n",
"LINEOUT(\"On a brilliant night in June\")\n",
"GLUEOUT(longer,line)\n",
"LINEOUT(\"On fishing up the moon.\")"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"In a bowl to sea went wise men three\n",
"On a brilliant night in June\n",
"They carried a net and their hearts \n",
"On fishing up the moon.\n"
]
}
],
"prompt_number": 36
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 9.8, Page No.166"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"DEBUG=0\n",
"if DEBUG == 1:\n",
" def ASSERT(expr):\n",
" print expr, \"...\", num\n",
" if expr != True:\n",
" print \"Fails in file: \"# There is no concept of line in python\n",
" print \"at line\"# There is no concept of line in python\n",
" else:\n",
" print \"Succeeds\"\n",
"elif DEBUG == 0:\n",
" def ASSERT(expr):\n",
" print \"Number is \",num\n",
"num = 9\n",
"ASSERT(num < 10)\n",
"num = num + num\n",
"ASSERT(num < 10)"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Number is 9\n",
"Number is 18\n"
]
}
],
"prompt_number": 10
}
],
"metadata": {}
}
]
}
|
