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{
"metadata": {
"name": "Chapter V"
},
"nbformat": 3,
"nbformat_minor": 0,
"worksheets": [
{
"cells": [
{
"cell_type": "heading",
"level": 1,
"metadata": {},
"source": [
"Chapter 5: Program looping"
]
},
{
"cell_type": "heading",
"level": 3,
"metadata": {},
"source": [
"Program 5.1, Page number: 43"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"\n",
"triangularNumber = 1 + 2 + 3 + 4 + 5 + 6 + 7 + 8;\n",
"\n",
"print(\"The eighth triangular number is {0}\".format(triangularNumber))"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"The eighth triangular number is 36\n"
]
}
],
"prompt_number": 1
},
{
"cell_type": "heading",
"level": 3,
"metadata": {},
"source": [
"Program 5.2, Page number: 44"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"\n",
"triangularNumber=0\n",
"\n",
"for i in range (201):\n",
" triangularNumber=triangularNumber+i \n",
"\n",
"print(\"The 200th triangular number is {0}\".format(triangularNumber))"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"The 200th triangular number is 20100\n"
]
}
],
"prompt_number": 2
},
{
"cell_type": "heading",
"level": 3,
"metadata": {},
"source": [
"Program 5.3, Page number: 47"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"\n",
"print(\"TABLE OF TRIANGULAR NUMBERS\\n\\n\")\n",
"print(\" n Sum from 1 to n\\n\")\n",
"print(\"--- -----------------\\n\")\n",
"\n",
"triangularNumber=0\n",
"\n",
"for i in range (1,11):\n",
" triangularNumber=triangularNumber+i\n",
" print(\" {0} {1}\\n\".format(i,triangularNumber))"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"TABLE OF TRIANGULAR NUMBERS\n",
"\n",
"\n",
" n Sum from 1 to n\n",
"\n",
"--- -----------------\n",
"\n",
" 1 1\n",
"\n",
" 2 3\n",
"\n",
" 3 6\n",
"\n",
" 4 10\n",
"\n",
" 5 15\n",
"\n",
" 6 21\n",
"\n",
" 7 28\n",
"\n",
" 8 36\n",
"\n",
" 9 45\n",
"\n",
" 10 55\n",
"\n"
]
}
],
"prompt_number": 3
},
{
"cell_type": "heading",
"level": 3,
"metadata": {},
"source": [
"Program 5.4, Page number: 51"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"\n",
"triangularNumber=0\n",
"number=10 #number=input(\"What triangular number do you want?\")\n",
"\n",
"for n in range (1,(number+1)):\n",
" triangularNumber+=n\n",
"\n",
"print(\"triangular number {0} is {1}\".format(number,triangularNumber))"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"triangular number 10 is 55\n"
]
}
],
"prompt_number": 5
},
{
"cell_type": "heading",
"level": 3,
"metadata": {},
"source": [
"Program 5.5, Page number: 53"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"\n",
"for counter in range(1,6): #Outer Loop\n",
" number=12 #input(\"what triangular number do you want? \")\n",
"\n",
" triangularNumber=0 #Variable Decaration\n",
"\n",
" for n in range (1,(number+1)): #Inner Loop\n",
" triangularNumber+=n\n",
" \n",
" #Result\n",
" print(\"Triangular Number {0} is {1}\".format(number,triangularNumber))"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Triangular Number 12 is 78\n",
"Triangular Number 12 is 78\n",
"Triangular Number 12 is 78\n",
"Triangular Number 12 is 78\n",
"Triangular Number 12 is 78\n"
]
}
],
"prompt_number": 7
},
{
"cell_type": "heading",
"level": 3,
"metadata": {},
"source": [
"Program 5.6, Page number: 56"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"\n",
"count=1\n",
"\n",
"while (count<=5):\n",
" print(\"{0}\\n\".format(count)) #Result\n",
" count+=1"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"1\n",
"\n",
"2\n",
"\n",
"3\n",
"\n",
"4\n",
"\n",
"5\n",
"\n"
]
}
],
"prompt_number": 9
},
{
"cell_type": "heading",
"level": 3,
"metadata": {},
"source": [
"Program 5.7, Page number: 58"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"\n",
"print(\"Please type in two nonnegative integers.\")\n",
"u=8 #u=input()\n",
"v=14 #v=input()\n",
"\n",
"while(v!=0):\n",
" temp=u%v\n",
" u=v\n",
" v=temp\n",
"\n",
"print(\"Their greatest common divisor is {0}\\n\".format(u))"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Please type in two nonnegative integers.\n",
"Their greatest common divisor is 2\n",
"\n"
]
}
],
"prompt_number": 11
},
{
"cell_type": "heading",
"level": 3,
"metadata": {},
"source": [
"Program 5.8, Page number: 60"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"\n",
"import sys\n",
"\n",
"number=113 #number=input(\"Enter your number.\\n\")\n",
"\n",
"while(number!=0):\n",
" right_digit=number%10\n",
" sys.stdout.write(\"{0}\".format(right_digit))\n",
" number=number/10\n",
"\n",
"print(\"\\n\")"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"311\n",
"\n"
]
}
],
"prompt_number": 13
},
{
"cell_type": "heading",
"level": 3,
"metadata": {},
"source": [
"Program 5.9, Page number: 61"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"\n",
"import sys\n",
"\n",
"number=428 #number=input(\"Enter your number:\\n\")\n",
"\n",
"while True: #Enter loop instantly for the first time\n",
" right_digit=number%10\n",
" sys.stdout.write(\"{0}\".format(right_digit))\n",
" number=number/10\n",
" if(number == 0): #Check for exit condition\n",
" break\n",
"\n",
"print(\"\\n\")"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"824\n",
"\n"
]
}
],
"prompt_number": 14
}
],
"metadata": {}
}
]
}
|
