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{
"metadata": {
"name": ""
},
"nbformat": 3,
"nbformat_minor": 0,
"worksheets": [
{
"cells": [
{
"cell_type": "markdown",
"metadata": {},
"source": [
"<h1>Chapter 3: Operators and Expressions<h1>"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"<h3>Example 3.13, Page number: 3.9 <h3>"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"\n",
"import ctypes as ct\n",
"\n",
"print \"interger : \",ct.sizeof(ct.c_int())\n",
"print \"float : \",ct.sizeof(ct.c_float())\n",
"print \"double : \",ct.sizeof(ct.c_double())\n",
"print \"character : \",ct.sizeof(ct.c_char())\n",
"\n"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"interger : 4\n",
"float : 4\n",
"double : 8\n",
"character : 1\n"
]
}
],
"prompt_number": 1
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"<h3>Example 3.30, Page number: 3.19<h3>"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"\n",
"\n",
"print \"for the equation ax^2+bx+c \\n\"\n",
"\n",
"a=2\n",
"b=6\n",
"c=3\n",
"\n",
"root=(b*b-4*a*c)**0.5\n",
"x1=(-b + root)/(2*a)\n",
"x2=(-b - root)/(2*a)\n",
"\n",
"print \"x1=\",x1\n",
"print \"x2=\",x2\n",
"\n"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"for the equation ax^2+bx+c \n",
"\n",
"x1= -0.633974596216\n",
"x2= -2.36602540378\n"
]
}
],
"prompt_number": 3
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"<h3>Example 3.31, Page number: 3.20<h3>"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"\n",
"\n",
"\n",
"lower=\"l\"\n",
"upper=lower.upper()\n",
"print upper\n",
"\n"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"L\n"
]
}
],
"prompt_number": 2
}
],
"metadata": {}
}
]
}
|
