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{
"cells": [
{
"cell_type": "heading",
"level": 1,
"metadata": {},
"source": [
"Chapter 11: Pckages: Putting Classes Together"
]
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"example 11.1, page no. 198"
]
},
{
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"collapsed": false,
"input": [
"\n",
"\"\"\"\n",
"Note there are no packages in Python, a python program(file) can be used as a module in anoter Python program\n",
"\"\"\"\n",
"\n",
"from package1 import *\n",
"from package2 import *\n",
"\n",
"a = classA()\n",
"b = classB()\n",
"\n",
"a.display()\n",
"b.displayB()"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Class A\n",
"Class B\n",
"m = 10.0\n"
]
}
],
"prompt_number": 14
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"example 11.2, page no. 200"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"\n",
"\"\"\"\n",
"Note there are no packages in Python, a python program(file) can be used as a module in anoter Python program\n",
"\"\"\"\n",
"\n",
"from package2 import *\n",
"\n",
"class classC(classB):\n",
" n = 20\n",
" def displayC(self):\n",
" print \"Class C\"\n",
" print \"m = \", self.m\n",
" print \"n = \", self.n\n",
"\n",
"c = classC()\n",
"c.displayB()\n",
"c.displayC()"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Class B\n",
"m = 10.0\n",
"Class C\n",
"m = 10.0\n",
"n = 20\n"
]
}
],
"prompt_number": 15
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"example 11.3, page no. 204"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"\n",
"\"\"\"\n",
"there is no concept of static import. We will use normal import instead\n",
"\"\"\"\n",
"\n",
"import math\n",
"\n",
"class mathop:\n",
" def circle(self, r):\n",
" area = math.pi*r*r\n",
" print \"The Area of circle is: \", area\n",
"\n",
"obj = mathop()\n",
"obj.circle(2.3)"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"The Area of circle is: 16.6190251375\n"
]
}
],
"prompt_number": 16
}
],
"metadata": {}
}
]
}
|
