{
"metadata": {
"name": "",
"signature": "sha256:708386728a0ddd9fd0fa033f85042eb5d454abc98a33806d4ca4cc0500a010f0"
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"nbformat": 3,
"nbformat_minor": 0,
"worksheets": [
{
"cells": [
{
"cell_type": "heading",
"level": 1,
"metadata": {},
"source": [
"Chapter 5 : Strings"
]
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 5.1, Page No. 97"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"print \"Menu\"\n",
"print \"=====\"\n",
"print \"A. Order\"\n",
"print \"B. Invoice\"\n",
"print \"C. Warehouse\"\n",
"print \"D. Finance\"\n",
"cSel = raw_input(\"Select: \")\n",
"if cSel=='A' :\n",
" print \"You Selected Order\"\n",
"elif cSel=='B' :\n",
" print \"You Selected Invoice\"\n",
"elif cSel=='C':\n",
" print \"You Selected Warehouse\"\n",
"elif cSel=='D' :\n",
" print \"You Selected Finance\"\n",
"else :\n",
" print \"Erroneous Choice\"\n",
" "
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Menu\n",
"=====\n",
"A. Order\n",
"B. Invoice\n",
"C. Warehouse\n",
"D. Finance\n"
]
},
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"Select: A\n"
]
},
{
"output_type": "stream",
"stream": "stdout",
"text": [
"You Selected Order\n"
]
}
],
"prompt_number": 6
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 5.2, Page No.99"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"import sys\n",
"cSal = 'A'\n",
"while cSal!='X':\n",
" print \"Menu\"\n",
" print \"=====\"\n",
" print \"A. Order\"\n",
" print \"B. Invoice\"\n",
" print \"C. Warehouse\"\n",
" print \"D. Finance\"\n",
" print \"X. Exit\"\n",
" cSel = raw_input(\"Select: \")\n",
"\n",
" \n",
" if cSel=='A' :\n",
" print \"You Selected Order\"\n",
" elif cSel=='B' :\n",
" print \"You Selected Invoice\"\n",
" elif cSel=='C':\n",
" print \"You Selected Warehouse\"\n",
" elif cSel=='D' :\n",
" print \"You Selected Finance\"\n",
" elif cSel=='X':\n",
" sys.exit()\n",
" else :\n",
" print \"Erroneous Choice\"\n"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Menu\n",
"=====\n",
"A. Order\n",
"B. Invoice\n",
"C. Warehouse\n",
"D. Finance\n",
"X. Exit\n"
]
},
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"Select: A\n"
]
},
{
"output_type": "stream",
"stream": "stdout",
"text": [
"You Selected Order\n",
"Menu\n",
"=====\n",
"A. Order\n",
"B. Invoice\n",
"C. Warehouse\n",
"D. Finance\n",
"X. Exit\n"
]
},
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"Select: B\n"
]
},
{
"output_type": "stream",
"stream": "stdout",
"text": [
"You Selected Invoice\n",
"Menu\n",
"=====\n",
"A. Order\n",
"B. Invoice\n",
"C. Warehouse\n",
"D. Finance\n",
"X. Exit\n"
]
},
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"Select: X\n"
]
},
{
"ename": "SystemExit",
"evalue": "",
"output_type": "pyerr",
"traceback": [
"An exception has occurred, use %tb to see the full traceback.\n",
"\u001b[1;31mSystemExit\u001b[0m\n"
]
},
{
"output_type": "stream",
"stream": "stderr",
"text": [
"To exit: use 'exit', 'quit', or Ctrl-D.\n"
]
}
],
"prompt_number": 8
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 5.3, Page No. 102"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"x = 'X' \n",
"blank = ' '\n",
"for i in range(10, -1, -1):\n",
" for j in range(i):\n",
" print blank,\n",
" print x,\n",
" for j in range(10-i):\n",
" print x, x,\n",
" print ''\n",
"for i in range(2):\n",
" for j in range(10):\n",
" print blank,\n",
" print x"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
" X \n",
" X X X \n",
" X X X X X \n",
" X X X X X X X \n",
" X X X X X X X X X \n",
" X X X X X X X X X X X \n",
" X X X X X X X X X X X X X \n",
" X X X X X X X X X X X X X X X \n",
" X X X X X X X X X X X X X X X X X \n",
" X X X X X X X X X X X X X X X X X X X \n",
"X X X X X X X X X X X X X X X X X X X X X \n",
" X\n",
" X\n"
]
}
],
"prompt_number": 21
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 5.4, Page No. 105"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"import sys\n",
"cName = raw_input(\"Enter your name: \")\n",
"print \"Your name is \" , cName\n",
"print \"Your name is \" , len(cName), \" Characters long\"\n",
"print \"Your entire string is \" , sys.getsizeof(cName), \" characters long\""
],
"language": "python",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"Enter your name: John Smith\n"
]
},
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Your name is John Smith\n",
"Your name is 10 Characters long\n",
"Your entire string is 31 characters long\n"
]
}
],
"prompt_number": 22
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 5.5, Page No. 106"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"cName=range(30)\n",
"cName = raw_input(\"Enter your name in lower case: \")\n",
"iLen = len(cName)\n",
"for ltr in cName:\n",
" print ltr.lower(),\n"
],
"language": "python",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"Enter your name in lower case: ABCD\n"
]
},
{
"output_type": "stream",
"stream": "stdout",
"text": [
"a b c d\n"
]
}
],
"prompt_number": 17
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 5.6, Page No. 107"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"cName = raw_input(\"Enter your name: \")\n",
"iLen = len(cName)\n",
"cInt = []\n",
"cInt.append(cName[0])\n",
"for i in range(1, iLen):\n",
" if cName[i] == ' ':\n",
" cInt.append(cName[i+1])\n",
"print \"Your Initials are \", ''.join(cInt)"
],
"language": "python",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"Enter your name: Kjell Backman\n"
]
},
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Your Initials are KB\n"
]
}
],
"prompt_number": 1
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 5.7, Page No. 109"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"cName1 = raw_input(\"Enter a Name: \")\n",
"cName2 = raw_input(\"Enter another Name: \")\n",
"if cName1 > cName2 :\n",
" print cName1 , cName2\n",
"else :\n",
" print cName2 , cName1"
],
"language": "python",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"Enter a Name: abcd\n"
]
},
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"Enter another Name: abcx\n"
]
},
{
"output_type": "stream",
"stream": "stdout",
"text": [
"abcx abcd\n"
]
}
],
"prompt_number": 33
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 5.8, Page No. 110"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"print \"Enter 5 names: \"\n",
"names = []\n",
"for i in range(5):\n",
" names.append(raw_input(\"name \" + str(i+1) + \": \"))\n",
"names.sort()\n",
"for i in range(5):\n",
" print names[i]"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Enter 5 names: \n"
]
},
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"name 1: hardik\n"
]
},
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"name 2: Parth\n"
]
},
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"name 3: Nikunj\n"
]
},
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"name 4: Vaibhav\n"
]
},
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"name 5: Chirag\n"
]
},
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Chirag\n",
"Nikunj\n",
"Parth\n",
"Vaibhav\n",
"hardik\n"
]
}
],
"prompt_number": 7
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 5.9, Page No.113"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"cName = raw_input(\"Enter Your Name: \")\n",
"for i in range(29):\n",
" if cName[i] == ' ':\n",
" break\n",
"cFirst=cName[0:i]\n",
"print cFirst\n",
"cSur=cName[i+1:]\n",
"print cSur\n",
"cSur=cSur+\" \"\n",
"cSur=cSur+cFirst\n",
"print cSur\n",
"cSur=cSur[::-1]\n",
"print cSur"
],
"language": "python",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"Enter Your Name: John Smith\n"
]
},
{
"output_type": "stream",
"stream": "stdout",
"text": [
"John\n",
"Smith\n",
"Smith John\n",
"nhoJ htimS\n"
]
}
],
"prompt_number": 10
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 5.10, Page No.115"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"cEncrypt = []\n",
"cName = []\n",
"cName = raw_input(\"Enter Your Name: \")\n",
"iLen = len(cName)\n",
"for i in range(iLen):\n",
" asc=ord(cName[i])\n",
" asc=asc+1\n",
" cEncrypt.append(chr(asc))\n",
"print ''.join(cEncrypt)"
],
"language": "python",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"Enter Your Name: JohnSmith\n"
]
},
{
"output_type": "stream",
"stream": "stdout",
"text": [
"KpioTnjui\n"
]
}
],
"prompt_number": 24
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 5.11, Page No. 116"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"import random\n",
"iLen = random.randint(0,100)%3+5\n",
"cPw=[]\n",
"for i in range(iLen):\n",
" val=random.randint(0,122)%26+65\n",
" cPw.append(chr(val))\n",
"print ''.join(cPw)"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"ZXZUOY\n"
]
}
],
"prompt_number": 37
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 5.12, Page No. 119"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"cText=[]\n",
"cEncrypt=[]\n",
"cTemp1=[]\n",
"cText=raw_input(\"\\nWrite a text in upper case: \")\n",
"iLen= len(cText)\n",
"for i in range(iLen):\n",
" print cText[i]\n",
" car=ord(cText[i])\n",
" cEncrypt.append(car)\n",
"print ''.join(str(cEncrypt))"
],
"language": "python",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"\n",
"Write a text in upper case: hellow\n"
]
},
{
"output_type": "stream",
"stream": "stdout",
"text": [
"h\n",
"e\n",
"l\n",
"l\n",
"o\n",
"w\n",
"[104, 101, 108, 108, 111, 119]\n"
]
}
],
"prompt_number": 3
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"import random\n",
"cKey=\"ABCDEFGHIJKLMNOPQRSTUVWXYZ\"\n",
"cKey=list(cKey)\n",
"cEncrypt=range(50)\n",
"for i in range(26):\n",
" j=random.randint(0,100)%26\n",
" cTemp=cKey[i]\n",
" cKey[i]=cKey[j]\n",
" cKey[j]=cTemp\n",
"cKey=\"\".join(map(str,cKey))\n",
"cText=raw_input(\"\\nWrite a text in upper case: \")\n",
"iLen= len(cText)\n",
"for i in range(iLen):\n",
" cEncrypt[i]=cKey[ord(cText[i])-65]\n",
"cEncrypt=cEncrypt[::iLen]\n",
"print \"\".join(map(str,cEncrypt))"
],
"language": "python",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"\n",
"Write a text in upper case: JOHNSMITH\n"
]
},
{
"output_type": "stream",
"stream": "stdout",
"text": [
"R918273645\n"
]
}
],
"prompt_number": 15
},
{
"cell_type": "code",
"collapsed": false,
"input": [],
"language": "python",
"metadata": {},
"outputs": []
}
],
"metadata": {}
}
]
}