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{
"metadata": {
"name": "",
"signature": "sha256:03f3f522026b7ff6e1acac7746805bcac18faba022541a5d8a73470a897fdf7a"
},
"nbformat": 3,
"nbformat_minor": 0,
"worksheets": [
{
"cells": [
{
"cell_type": "heading",
"level": 1,
"metadata": {},
"source": [
"Chapter 4, Some More Data Types"
]
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Prgoram 4-1 , Page number: 47"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"# An illustration of the use of floating point numbers\n",
"\n",
"# There is no loss of precision in python\n",
"a = 246.8\n",
"b = 135.79\n",
"\n",
"answer = a + b\n",
"print \"%f + %f = %f\"%(a,b,answer)\n",
"\n",
"answer = a - b\n",
"print \"%f - %f = %f\"%(a,b,answer)\n",
"\n",
"answer = a * b\n",
"print \"%f * %f = %f\"%(a,b,answer)\n",
"\n",
"answer = a / b\n",
"print \"%f / %f = %f\"%(a,b,answer)"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"246.800000 + 135.790000 = 382.590000\n",
"246.800000 - 135.790000 = 111.010000\n",
"246.800000 * 135.790000 = 33512.972000\n",
"246.800000 / 135.790000 = 1.817512\n"
]
}
],
"prompt_number": 1
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Program 4-2 , Page number: 49"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"# Illustration of mixed mode expressions\n",
"\n",
"a = 2\n",
"b = 12.34\n",
"\n",
"result = a * b\n",
"print \"%d * %f = %f\"%(a,b,result)\n",
"\n",
"print \"%f in scientific notation is %e\"%(result,result)\n",
"\n",
"answer = a * b\n",
"print \"%d * %f = %d\"%(a,b,answer)"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"2 * 12.340000 = 24.680000\n",
"24.680000 in scientific notation is 2.468000e+01\n",
"2 * 12.340000 = 24\n"
]
}
],
"prompt_number": 2
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Program 4-3 , Page number: 52"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"\n",
"ltr_1 = \"C\"\n",
"ltr_2 = \" \"\n",
"ltr_3 = \"i\"\n",
"ltr_4 = \"s\"\n",
"ltr_5 = \"g\"\n",
"ltr_6 = \"r\"\n",
"ltr_7 = \"e\"\n",
"ltr_8 = \"a\"\n",
"ltr_9 = \"t\"\n",
"ltr_10 = \"!\"\n",
"\n",
"print \"%c%c%c%c%c%c%c%c%c%c%c\"%(ltr_1,ltr_2,ltr_3,ltr_4,ltr_2,ltr_5,ltr_6,ltr_7,ltr_8,ltr_9,ltr_10)"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"C is great!\n"
]
}
],
"prompt_number": 3
}
],
"metadata": {}
}
]
}
|
