{
"metadata": {
"name": "",
"signature": "sha256:cacc571d4837d5307aef4322356742c15639b9ac8aaaa6bc1bc1580c03c1a8fb"
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"worksheets": [
{
"cells": [
{
"cell_type": "heading",
"level": 1,
"metadata": {},
"source": [
"Hour 10: Controlling Programming flow"
]
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Exmaple 10.1, Page No.157"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"print \"Integers that can be divided by both 2 and 3\"\n",
"print \"(within the range of 0 to 100):\"\n",
"for i in range(0,100):\n",
" if i%2==0 and i%3==0:\n",
" print \" \",i\n"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Integers that can be divided by both 2 and 3\n",
"(within the range of 0 to 100):\n",
" 0\n",
" 6\n",
" 12\n",
" 18\n",
" 24\n",
" 30\n",
" 36\n",
" 42\n",
" 48\n",
" 54\n",
" 60\n",
" 66\n",
" 72\n",
" 78\n",
" 84\n",
" 90\n",
" 96\n"
]
}
],
"prompt_number": 7
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Exmaple 10.2, Page No.159"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"print \"Even Number Odd Number\"\n",
"for i in range(0,10):\n",
" if(i%2==0):\n",
" print i,\n",
" else:\n",
" print \"{:14d}\".format(i)"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Even Number Odd Number\n",
"0 1\n",
"2 3\n",
"4 5\n",
"6 7\n",
"8 9\n"
]
}
],
"prompt_number": 10
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Exmaple 10.3, Page No.160"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"for i in range(-5,6):\n",
" if i>0:\n",
" if i%2==0:\n",
" print \"{:d} is an even number.\".format(i)\n",
" else:\n",
" print \"{:d} is an odd number.\".format(i)\n",
" elif i==0:\n",
" print \"The number is zero.\"\n",
" else:\n",
" print \"Negative number:\",i"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Negative number: -5\n",
"Negative number: -4\n",
"Negative number: -3\n",
"Negative number: -2\n",
"Negative number: -1\n",
"The number is zero.\n",
"1 is an odd number.\n",
"2 is an even number.\n",
"3 is an odd number.\n",
"4 is an even number.\n",
"5 is an odd number.\n"
]
}
],
"prompt_number": 1
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 10.4, Page No.162"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"day=raw_input(\"Please enter a sigle digit for a day\\n(within the range of 1 to 3:)\")\n",
"if day=='1':\n",
" print \"Day 1\"\n",
"elif day=='2':\n",
" print \"Day 2\"\n",
"elif day=='3':\n",
" print \"Day 3\""
],
"language": "python",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"Please enter a sigle digit for a day\n",
"(within the range of 1 to 3:)3\n"
]
},
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Day 3\n"
]
}
],
"prompt_number": 17
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 10.5, Page No.164"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"#This program is specially used to understand the \"break\" statement in switch..case. \n",
"#But in python we can't use break statement outside of the loop so break is not written with each if block.\n",
"day=raw_input(\"Please enter a sigle digit for a day\\n(within the range of 1 to 7:)\")\n",
"if day=='1':\n",
" print \"Day 1 is Sunday\"\n",
" \n",
"elif day=='2':\n",
" print \"Day 2 is Monday\"\n",
" \n",
"elif day=='3':\n",
" print \"Day 3 is Tuesday\"\n",
" \n",
"elif day=='4':\n",
" print \"Day 4 is Wednesday\"\n",
" \n",
"elif day=='5':\n",
" print \"Day 5 is Thursday\"\n",
" \n",
"elif day=='6':\n",
" print \"Day 6 is Friday\"\n",
" \n",
"elif day=='7':\n",
" print \"Day 7 is Saturday\"\n",
" \n",
"else:\n",
" print \"The digit is not within the range of 1 to 7\"\n",
" "
],
"language": "python",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"Please enter a sigle digit for a day\n",
"(within the range of 1 to 7:)1\n"
]
},
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Day 1 is Sunday\n"
]
}
],
"prompt_number": 22
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 10.6, Page No.166"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"print \"Enter a character:\\n (enter X to exit)\\n\"\n",
"while 1:\n",
" c=raw_input()\n",
" if c=='x':\n",
" break\n",
"print \"Break the infinite loop. Bye!\""
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Enter a character:\n",
" (enter X to exit)\n",
"\n"
]
},
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"H\n"
]
},
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"I\n"
]
},
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"x\n"
]
},
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Break the infinite loop. Bye!\n"
]
}
],
"prompt_number": 24
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 10.7, Page No.167"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"sum=0\n",
"for i in range(1,8):\n",
" if i==3 or i==5:\n",
" continue\n",
" sum=sum+i\n",
"print \"The sum of 1,2,4,6, and 7 is:\",sum"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"The sum of 1,2,4,6, and 7 is: 20\n"
]
}
],
"prompt_number": 26
}
],
"metadata": {}
}
]
}