{
"metadata": {
"name": ""
},
"nbformat": 3,
"nbformat_minor": 0,
"worksheets": [
{
"cells": [
{
"cell_type": "heading",
"level": 1,
"metadata": {},
"source": [
"Chapter 3: Simple Programs"
]
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 1, Page number: 67"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"# Calculation and result\n",
"pi = 3.141\n",
"num = int(raw_input('Enter your favorite number: '))\n",
"print ('You have entered your favorite number as %d' % num)\n",
"c = raw_input('Enter your favorite character: ')\n",
"print ('You have entered your favorite character as %c' % c)\n",
"print ('The value of pi is %.3f ' % pi)"
],
"language": "python",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"Enter your favorite number: 3\n"
]
},
{
"output_type": "stream",
"stream": "stdout",
"text": [
"You have entered your favorite number as 3\n"
]
},
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"Enter your favorite character: m\n"
]
},
{
"output_type": "stream",
"stream": "stdout",
"text": [
"You have entered your favorite character as m\n",
"The value of pi is 3.141 \n"
]
}
],
"prompt_number": 14
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 3.1, Page number: 70"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"# Variable declaration\n",
"a = int(raw_input('Enter first number '))\n",
"b = int(raw_input('Enter second number '))\n",
"\n",
"# Calculation\n",
"som = a+b\n",
"\n",
"# Result\n",
"print ('The sum of %d + %d = %d ' % (a, b, som))"
],
"language": "python",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"Enter first number 67\n"
]
},
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"Enter second number 990\n"
]
},
{
"output_type": "stream",
"stream": "stdout",
"text": [
"The sum of 67 + 990 = 1057 \n"
]
}
],
"prompt_number": 2
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 3.2, Page number: 71"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"# Variable declaration\n",
"a = int(raw_input('Enter first number '))\n",
"b = int(raw_input('Enter second number '))\n",
"\n",
"# Calculation and result\n",
"if a>b :\n",
" print ('The greater number is %d ' % a)\n",
"else :\n",
" print ('The greater number is %d ' % b)"
],
"language": "python",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"Enter first number 78\n"
]
},
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"Enter second number 190\n"
]
},
{
"output_type": "stream",
"stream": "stdout",
"text": [
"The greater number is 190 \n"
]
}
],
"prompt_number": 3
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 3.3, Page number: 72"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"# Variable declaration\n",
"a = int(raw_input('Enter first number '))\n",
"b = int(raw_input('Enter second number '))\n",
"\n",
"# Calculation and result\n",
"if a==b :\n",
" print ('Both numbers are equal ')\n",
"else :\n",
" if a>b :\n",
" print ('The greater number is %d ' % a)\n",
" else :\n",
" print ('The greater number is %d ' % b)"
],
"language": "python",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"Enter first number 78\n"
]
},
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"Enter second number 78\n"
]
},
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Both numbers are equal \n"
]
}
],
"prompt_number": 5
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 3.4, Page number: 73"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"# Variable declaration\n",
"a = int(raw_input('Enter first number '))\n",
"b = int(raw_input('Enter second number '))\n",
"c = int(raw_input('Enter third number '))\n",
"\n",
"# Calculation and result\n",
"if a>b :\n",
" if a>c :\n",
" print ('The greatest number is %d ' % a)\n",
" else :\n",
" print ('The greatest number is %d ' % c)\n",
"\n",
"else :\n",
" if b>c :\n",
" print ('The greatest number is %d ' % b)\n",
" else : \n",
" print ('The greatest number is %d ' % c)"
],
"language": "python",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"Enter first number 45\n"
]
},
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"Enter second number 128\n"
]
},
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"Enter third number 90\n"
]
},
{
"output_type": "stream",
"stream": "stdout",
"text": [
"The greatest number is 128 \n"
]
}
],
"prompt_number": 1
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 3.5, Page number: 74"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"# Variable declaration\n",
"n = int(raw_input('Enter any number '))\n",
"\n",
"# Calculation and result\n",
"print ('Counting upto %d ' % n)\n",
"\n",
"for i in range (1, n+1) :\n",
" print ('%d ' % i),"
],
"language": "python",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"Enter any number 7\n"
]
},
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Counting upto 7 \n",
"1 2 3 4 5 6 7 \n"
]
}
],
"prompt_number": 1
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 3.6, Page number: 75"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"# Variable declaration\n",
"n = int(raw_input('Enter any number '))\n",
"\n",
"# Calculation and result\n",
"print ('Even numbers upto %d ' % n)\n",
"\n",
"for i in range (2, n+1, 2) :\n",
" print ('%d ' % i),"
],
"language": "python",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"Enter any number 10\n"
]
},
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Even numbers upto 10 \n",
"2 4 6 8 10 \n"
]
}
],
"prompt_number": 3
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 3.7, Page number: 75"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"# Variable declaration\n",
"n = int(raw_input('Enter any number '))\n",
"\n",
"# Calculation and result\n",
"print ('Odd numbers upto %d ' % n)\n",
"\n",
"for i in range (1, n+1, 2) :\n",
" print ('%d ' % i),"
],
"language": "python",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"Enter any number 10\n"
]
},
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Odd numbers upto 10 \n",
"1 3 5 7 9 \n"
]
}
],
"prompt_number": 13
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 3.8, Page number: 76"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"# Variable declaration\n",
"n = int(raw_input('Enter any number '))\n",
"\n",
"# Calculation and result\n",
"print ('Number line upto %d ' % n)\n",
"\n",
"for i in range (-n, n+1) :\n",
" print ('%d ' % i),"
],
"language": "python",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"Enter any number 7\n"
]
},
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Number line upto 7 \n",
"-7 -6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6 7 \n"
]
}
],
"prompt_number": 5
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 3.9, Page number: 77"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"# Variable declaration\n",
"n = int(raw_input('Enter any number '))\n",
"sum = 0\n",
"\n",
"# Calculation\n",
"for i in range (1, n+1) :\n",
" sum = sum + i\n",
"\n",
"# Result\n",
"print ('Sum of %d natural numbers is %d ' % (n, sum))"
],
"language": "python",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"Enter any number 6\n"
]
},
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Sum of 6 natural numbers is 21 \n"
]
}
],
"prompt_number": 6
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 3.10, Page number: 78"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"# Variable declaration\n",
"n = int(raw_input('Enter any number '))\n",
"\n",
"# Calculation and result\n",
"print ('The factors of %d are ' % n)\n",
"\n",
"for i in range (1, n+1) :\n",
" if n%i == 0 :\n",
" print ('%d ' % i),"
],
"language": "python",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"Enter any number 28\n"
]
},
{
"output_type": "stream",
"stream": "stdout",
"text": [
"The factors of 28 are \n",
"1 2 4 7 14 28 \n"
]
}
],
"prompt_number": 7
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 3.11, Page number: 79"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"# Variable declaration\n",
"n = int(raw_input('Enter any number '))\n",
"\n",
"# Calculation and result\n",
"print ('The first 10 multiples of %d are ' % n)\n",
"\n",
"for i in range (1, 11) :\n",
" print ('%d X %d = %d ' % (n, i, n*i))"
],
"language": "python",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"Enter any number 6\n"
]
},
{
"output_type": "stream",
"stream": "stdout",
"text": [
"The first 10 multiples of 6 are \n",
"6 X 1 = 6 \n",
"6 X 2 = 12 \n",
"6 X 3 = 18 \n",
"6 X 4 = 24 \n",
"6 X 5 = 30 \n",
"6 X 6 = 36 \n",
"6 X 7 = 42 \n",
"6 X 8 = 48 \n",
"6 X 9 = 54 \n",
"6 X 10 = 60 \n"
]
}
],
"prompt_number": 8
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 3.12, Page number: 80"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"# Variable declaration\n",
"n = int(raw_input('Enter any number '))\n",
"i = 1\n",
"sum = 0\n",
"\n",
"# Calculation\n",
"print ('The sum of digits of %d is' % n),\n",
"\n",
"while n > 0 :\n",
" sum = sum + n%10\n",
" n = n/10\n",
"\n",
"# Result\n",
"print ('%d' % sum)"
],
"language": "python",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"Enter any number 5214\n"
]
},
{
"output_type": "stream",
"stream": "stdout",
"text": [
"The sum of digits of 5214 is 12\n"
]
}
],
"prompt_number": 12
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 3.13, Page number: 81"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"# Variable declaration\n",
"n = int(raw_input('Enter any number '))\n",
"flag = 1\n",
"\n",
"# Calculation\n",
"for i in range (2, n) :\n",
" if flag == 1 :\n",
" if n%i == 0 :\n",
" flag = 0\n",
"\n",
"# Result\n",
"if flag :\n",
" print ('%d is Prime ' % n)\n",
"else :\n",
" print ('%d is Composite ' % n)"
],
"language": "python",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"Enter any number 41\n"
]
},
{
"output_type": "stream",
"stream": "stdout",
"text": [
"41 is Prime \n"
]
}
],
"prompt_number": 10
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 3.14, Page number: 82"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"# Variable declaration\n",
"n = int(raw_input('Enter any number '))\n",
"first = 0\n",
"second = 1\n",
"count = 3\n",
"\n",
"# Calculation and result\n",
"print ('%d Fibonacci terms are ' % n)\n",
"print ('%d %d ' % (first, second)),\n",
"\n",
"while count<=n :\n",
" third = first + second\n",
" first = second\n",
" second = third\n",
" print ('%d ' % third),\n",
" count = count + 1"
],
"language": "python",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"Enter any number 10\n"
]
},
{
"output_type": "stream",
"stream": "stdout",
"text": [
"10 Fibonacci terms are \n",
"0 1 1 2 3 5 8 13 21 34 \n"
]
}
],
"prompt_number": 14
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 3.15, Page number: 83"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"# Variable declaration\n",
"n = int(raw_input('Enter any number '))\n",
"sum = n\n",
"\n",
"# Calculation\n",
"print ('Sum of digits of %d is' % n),\n",
"\n",
"while sum>=10 :\n",
" sum = 0\n",
" while n>0 :\n",
" sum = sum + n%10\n",
" n = n/10\n",
" n = sum\n",
"\n",
"# Result\n",
"print ('%d' % sum)"
],
"language": "python",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"Enter any number 8626\n"
]
},
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Sum of digits of 8626 is 4\n"
]
}
],
"prompt_number": 15
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 3.16, Page number: 84"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"# Variable declaration\n",
"n = int(raw_input('Enter any number '))\n",
"\n",
"# Calculation and result\n",
"print ('Prime numbers upto %d are ' % n)\n",
"\n",
"for num in range (2, n+1) :\n",
" flag = 1\n",
" for i in range (2, num) :\n",
" if num % i == 0 : \n",
" flag = 0\n",
" if flag :\n",
" print ('%d ' % num),"
],
"language": "python",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"Enter any number 12\n"
]
},
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Prime numbers upto 12 are \n",
"2 3 5 7 11 \n"
]
}
],
"prompt_number": 16
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 3.17, Page number: 85"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"# Variable declaration\n",
"n = int(raw_input('Enter a number '))\n",
"\n",
"# Calculation and result\n",
"for lin in range (1, n+1) :\n",
" for count in range (1, lin+1) :\n",
" print ('%d ' % count),\n",
" print"
],
"language": "python",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"Enter a number 6\n"
]
},
{
"output_type": "stream",
"stream": "stdout",
"text": [
"1 \n",
"1 2 \n",
"1 2 3 \n",
"1 2 3 4 \n",
"1 2 3 4 5 \n",
"1 2 3 4 5 6 \n"
]
}
],
"prompt_number": 17
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 3.18, Page number: 86"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"# Variable declaration\n",
"n = int(raw_input('Enter a number '))\n",
"\n",
"# Calculation and result\n",
"for lin in range (1, n+1) :\n",
" for count in range (lin, 2*lin) :\n",
" print ('%d ' % count),\n",
" print"
],
"language": "python",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"Enter a number 6\n"
]
},
{
"output_type": "stream",
"stream": "stdout",
"text": [
"1 \n",
"2 3 \n",
"3 4 5 \n",
"4 5 6 7 \n",
"5 6 7 8 9 \n",
"6 7 8 9 10 11 \n"
]
}
],
"prompt_number": 18
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 3.19, Page number: 87"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"# Variable declaration\n",
"n = int(raw_input('Enter a number '))\n",
"\n",
"# Calculation and result\n",
"for lin in range (1, n+1) :\n",
" for blk in range (1, n-lin+1) :\n",
" print ' ',\n",
" for up in range (1, lin+1) :\n",
" print ('%d' % up),\n",
" down = lin-1\n",
" while down>0 :\n",
" print ('%d' % down),\n",
" down = down-1\n",
" print"
],
"language": "python",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"Enter a number 6\n"
]
},
{
"output_type": "stream",
"stream": "stdout",
"text": [
" 1\n",
" 1 2 1\n",
" 1 2 3 2 1\n",
" 1 2 3 4 3 2 1\n",
" 1 2 3 4 5 4 3 2 1\n",
"1 2 3 4 5 6 5 4 3 2 1\n"
]
}
],
"prompt_number": 19
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 3.20, Page number: 88"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"# Variable declaration\n",
"n = int(raw_input('Enter a number '))\n",
"\n",
"# Calculation and result\n",
"for lin in range (1, n+1) :\n",
" for blk in range (1, n-lin+1) :\n",
" print ' ',\n",
" for up in range (lin, 2*lin) :\n",
" print ('%d' % (up%10)),\n",
" down = 2*lin-2\n",
" while down>=lin :\n",
" print ('%d' % (down%10)),\n",
" down = down-1\n",
" print"
],
"language": "python",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"Enter a number 6\n"
]
},
{
"output_type": "stream",
"stream": "stdout",
"text": [
" 1\n",
" 2 3 2\n",
" 3 4 5 4 3\n",
" 4 5 6 7 6 5 4\n",
" 5 6 7 8 9 8 7 6 5\n",
"6 7 8 9 0 1 0 9 8 7 6\n"
]
}
],
"prompt_number": 20
}
],
"metadata": {}
}
]
}