{
"metadata": {
"name": "",
"signature": "sha256:16d6a5d7a0f2261d7c4bbdc27385a261d6311ef3eb7e569b90710460f45fff6c"
},
"nbformat": 3,
"nbformat_minor": 0,
"worksheets": [
{
"cells": [
{
"cell_type": "heading",
"level": 1,
"metadata": {},
"source": [
"Chapter 3 : Selections and Loops"
]
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 3.1, Page No 48"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"dLimit = 500\n",
"iNo = int(raw_input(\"Specify Quantity : \"))\n",
"dUnitPrice = float(raw_input(\"Specify Unit Price : \"))\n",
"dGross = iNo * dUnitPrice\n",
"if(dGross > dLimit):\n",
" dDisc = 10\n",
"else:\n",
" dDisc = 0;\n",
"dNet = (100 - dDisc) * dGross / 100\n",
"print \"Total Price : %d\" % dNet"
],
"language": "python",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"Specify Quantity : 100\n"
]
},
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"Specify Unit Price : 10\n"
]
},
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Total Price : 900\n"
]
}
],
"prompt_number": 1
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 3.2, Page No 54"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"dNo1 = int(raw_input(\"Enter Number 1 : \"))\n",
"dNo2 = int(raw_input(\"Enter Number 2 : \"))\n",
"\n",
"print \"1. Greatest\"\n",
"print \"2. Least\"\n",
"print \"3. Average\"\n",
"\n",
"iOpt = int(raw_input(\"Select : \"))\n",
"\n",
"if iOpt == 1:\n",
" if dNo1 > dNo2:\n",
" print dNo1\n",
" else:\n",
" print dNo2\n",
" print \" is the greatest\"\n",
"elif iOpt == 2:\n",
" if dNo1 < dNo2:\n",
" print dNo1\n",
" else:\n",
" print dNo2\n",
" print \" is the least\"\n",
"elif iOpt == 3:\n",
" print \"The average is : \" , (dNo1 + dNo2)/2\n",
"else:\n",
" print \"wrong Choice\""
],
"language": "python",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"Enter Number 1 : 10\n"
]
},
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"Enter Number 2 : 15\n"
]
},
{
"output_type": "stream",
"stream": "stdout",
"text": [
"1. Greatest\n",
"2. Least\n",
"3. Average\n"
]
},
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"Select : 1\n"
]
},
{
"output_type": "stream",
"stream": "stdout",
"text": [
"15\n",
" is the greatest\n"
]
}
],
"prompt_number": 6
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 3.3, Page No 58"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"iLimit = int(raw_input(\"Enter limit : \"))\n",
"iSum = 0\n",
"for i in range(1,iLimit+1):\n",
" iSum = iSum + i\n",
"\n",
"print \"The Sum Is : \" , iSum"
],
"language": "python",
"metadata": {},
"outputs": []
},
{
"cell_type": "heading",
"level": 1,
"metadata": {},
"source": [
"Example 3.4, Page No 61"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"print \"Calculation Of Product\"\n",
"\n",
"for i in range(1,37):\n",
" for j in range(1,37):\n",
" if (i * j) == 36:\n",
" print i , \" and \" , j"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Calculation Of Product\n",
"1 and 36\n",
"2 and 18\n",
"3 and 12\n",
"4 and 9\n",
"6 and 6\n",
"9 and 4\n",
"12 and 3\n",
"18 and 2\n",
"36 and 1\n"
]
}
],
"prompt_number": 1
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 3.5, Page No 62"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"import random\n",
"\n",
"iRoll = 0\n",
"iNoOfRolls = 0\n",
"\n",
"while iRoll != 6:\n",
" iRoll = random.randint(1,200) % 6 + 1\n",
" iNoOfRolls = iNoOfRolls + 1\n",
"\n",
"print iNoOfRolls"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"8\n"
]
}
],
"prompt_number": 3
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 3.6, Page No 63"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"# Do while concept is not in python thats way the program is implemented using WHILE\n",
"import random\n",
"\n",
"iRoll = 0\n",
"iNoOfRolls = 0\n",
"\n",
"while iRoll != 6:\n",
" iRoll = random.randint(1,200) % 6 +1\n",
" iNoOfRolls = iNoOfRolls + 1\n",
"\n",
"print iNoOfRolls"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"1\n"
]
}
],
"prompt_number": 4
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 3.7, Page No 64"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"import random\n",
"\n",
"iCounter = 0\n",
"iRoll1 = random.randint(1,200) % 6 + 1\n",
"iRoll2 = random.randint(1,200) % 6 + 1\n",
" \n",
"\n",
"while iRoll1 != iRoll2:\n",
" iRoll1 = random.randint(1,200) % 6 + 1\n",
" iRoll2 = random.randint(1,200) % 6 + 1\n",
" iCounter = iCounter + 1\n",
"\n",
"print \"The rolls were = \" , iRoll1\n",
"print \"Number of attempts = \" , iCounter"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"The rolls were = 4\n",
"Number of attempts = 2\n"
]
}
],
"prompt_number": 9
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 3.8, Page No 64"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"iSum = 0\n",
"i = 0\n",
"iNo = raw_input(\"Enter a number : \")\n",
"\n",
"while iNo.isdigit():\n",
" iSum = iSum + int(iNo)\n",
" i = i + 1\n",
" iNo = raw_input(\"Enter one more number : \")\n",
"\n",
"print \"Average = \" , (float)((iSum)/i)"
],
"language": "python",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"Enter a number : 4\n"
]
},
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"Enter one more number : 6\n"
]
},
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"Enter one more number : 5\n"
]
},
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"Enter one more number : c\n"
]
},
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Average = 5.0\n"
]
}
],
"prompt_number": 1
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 3.9, Page No 66"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"import random\n",
"iNO = 0\n",
"for i in range(1,14):\n",
" iNo = random.randint(1,200) % 3\n",
" if iNo == 0:\n",
" print \"1\"\n",
" elif iNo == 1:\n",
" print \"X\"\n",
" elif iNO == 2:\n",
" print \"2\""
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"X\n",
"X\n",
"X\n",
"X\n",
"1\n",
"1\n",
"X\n",
"1\n"
]
}
],
"prompt_number": 2
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 3.10, Page No 68"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"iNo = 0\n",
"iRoot = 1\n",
"while iNo < 2 and iRoot <=100:\n",
" LP = iRoot * (iRoot - 6) * (iRoot + 8)\n",
" if LP == 0:\n",
" iNo = iNo + 1\n",
" print iRoot\n",
" iRoot = iRoot + 1"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"6\n"
]
}
],
"prompt_number": 3
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 3.11, Page No 69"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"import math\n",
"\n",
"while 1 == 1:\n",
" dNo = int(raw_input(\"Enter a number : \"))\n",
" if dNo <= 0:\n",
" break\n",
" print \"The square root of the number is \",math.sqrt(dNo)"
],
"language": "python",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"Enter a number : 100\n"
]
},
{
"output_type": "stream",
"stream": "stdout",
"text": [
"The square root of the number is 10.0\n"
]
},
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"Enter a number : 0\n"
]
}
],
"prompt_number": 4
},
{
"cell_type": "code",
"collapsed": false,
"input": [],
"language": "python",
"metadata": {},
"outputs": []
}
],
"metadata": {}
}
]
}