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{
"metadata": {
"name": "",
"signature": "sha256:6797b9444a439c70039a1e66c231ad4d494ff12505798711ee0fd43c452323b7"
},
"nbformat": 3,
"nbformat_minor": 0,
"worksheets": [
{
"cells": [
{
"cell_type": "heading",
"level": 1,
"metadata": {},
"source": [
"Hour 15: Working with Functions"
]
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 15.1, Page No 245"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"def function_1(x,y):\n",
" print \"Within Function_1.\"\n",
" return (x+y)\n",
"def function_2(x,y):\n",
" print \"Within Function_2.\"\n",
" return (x+y)\n",
"\n",
"x1=80\n",
"y1=10\n",
"x2=float\n",
"y2=float\n",
"x2=100.123456\n",
"y2=10.123456\n",
"print \"Pass function_1 %d\" % x1,\n",
"print \" and %d\" % y1\n",
"print \"Function_1 returns %d\" % function_1(x1,y1)\n",
"print \"Pass function_2 %f\" % x2,\n",
"print \" and %f\" % y2\n",
"print \"Function_1 returns %f\" % function_2(x2,y2)"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Pass function_1 80 and 10\n",
"Within Function_1.\n",
"Function_1 returns 90\n",
"Pass function_2 100.123456 and 10.123456\n",
"Within Function_2.\n",
"Function_1 returns 110.246912\n"
]
}
],
"prompt_number": 9
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 15.2, Page No 248"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"import time\n",
"def GetDateTime():\n",
" print \"Within GetDateTime().\"\n",
" print \"Current date and time is %s\" % str(time.strftime(\"%a %b %d %X %Y\"))\n",
"\n",
"print \"Before the GetDateTime() function is called.\"\n",
"GetDateTime()\n",
"print \"After The GetDateTime() function is called.\""
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Before the GetDateTime() function is called.\n",
"Within GetDateTime().\n",
"Current date and time is Mon Nov 10 11:08:33 2014\n",
"After The GetDateTime() function is called.\n"
]
}
],
"prompt_number": 23
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 15.3, Page No 253"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"def AddDouble(*args):\n",
" result=float\n",
" result=0.0\n",
" print \"The number of arguments is \"+ str(len(args))\n",
" for i in range(len(args)):\n",
" result= result + args[i]\n",
" return result\n",
"\n",
"d1=float\n",
"d2=float\n",
"d3=float\n",
"d4=float\n",
"d1=1.5\n",
"d2=2.5\n",
"d3=3.5\n",
"d4=4.5\n",
"\n",
"print \"Given an argument: %2.1f\" % d1\n",
"print \"The result returned by AddDouble() is: %2.1f \\n\" % AddDouble(d1)\n",
"\n",
"print \"Given an argument: %2.1f\" % d1,\n",
"print \" and %2.1f\" % d2\n",
"print \"The result returned by AddDouble() is: %2.1f \\n\" % AddDouble(d1,d2)\n",
"\n",
"print \"Given an argument: %2.1f\" % d1,\n",
"print \", %2.1f\" % d2,\n",
"print \" and %2.1f\" % d3\n",
"print \"The result returned by AddDouble() is: %2.1f \\n\" % AddDouble(d1,d2,d3)\n",
"\n",
"print \"Given an argument: %2.1f\" % d1,\n",
"print \", %2.1f\" % d2,\n",
"print \", %2.1f\" % d3,\n",
"print \" and %2.1f\" % d4\n",
"print \"The result returned by AddDouble() is: %2.1f \\n\" % AddDouble(d1,d2,d3,d4)"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Given an argument: 1.5\n",
"The number of arguments is 1\n",
"The result returned by AddDouble() is: 1.5 \n",
"\n",
"Given an argument: 1.5 and 2.5\n",
"The number of arguments is 2\n",
"The result returned by AddDouble() is: 4.0 \n",
"\n",
"Given an argument: 1.5 , 2.5 and 3.5\n",
"The number of arguments is 3\n",
"The result returned by AddDouble() is: 7.5 \n",
"\n",
"Given an argument: 1.5 , 2.5 , 3.5 and 4.5\n",
"The number of arguments is 4\n",
"The result returned by AddDouble() is: 12.0 \n",
"\n"
]
}
],
"prompt_number": 6
}
],
"metadata": {}
}
]
}
|
