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"metadata": {
"name": ""
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"worksheets": [
{
"cells": [
{
"cell_type": "heading",
"level": 1,
"metadata": {},
"source": [
"Chapter 3 : For Loops, Strings, and Arrays: Word Jumble"
]
},
{
"cell_type": "heading",
"level": 3,
"metadata": {},
"source": [
"example 3.1 page no :83"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"\n",
"print \"Counting forward:\\n\";\n",
"for i in range(10):\n",
" print i ,\n",
"print \"\\n\\nCounting backward:\\n\";\n",
"for i in range(1,10,-1):\n",
" print i,\n",
"\n",
"print \"\\n\\nCounting by fives:\\n\";\n",
"for i in range(0,51,5):\n",
" print i,\n",
" \n",
"print \"\\n\\nCounting with null statements:\\n\";\n",
"count = 0;\n",
"while ( count < 10 ):\n",
" print count ,\n",
" count += 1\n",
"\n",
"print \"\\n\\nCounting with nested for loops:\\n\";\n",
"ROWS = 5;\n",
"COLUMNS = 3;\n",
"for i in range(ROWS):\n",
" for j in range(COLUMNS):\n",
" print i , \",\" , j ,"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Counting forward:\n",
"\n",
"0 1 2 3 4 5 6 7 8 9 \n",
"\n",
"Counting backward:\n",
"\n",
"\n",
"\n",
"Counting by fives:\n",
"\n",
"0 5 10 15 20 25 30 35 40 45 50 \n",
"\n",
"Counting with null statements:\n",
"\n",
"0 1 2 3 4 5 6 7 8 9 \n",
"\n",
"Counting with nested for loops:\n",
"\n",
"0 , 0 0 , 1 0 , 2 1 , 0 1 , 1 1 , 2 2 , 0 2 , 1 2 , 2 3 , 0 3 , 1 3 , 2 4 , 0 4 , 1 4 , 2\n"
]
}
],
"prompt_number": 1
},
{
"cell_type": "heading",
"level": 3,
"metadata": {},
"source": [
"example 3.2 page no : 90"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"\n",
"word1 = \"Game\";\n",
"word2 =\"Over\"\n",
"word3 = '!'\n",
"phrase = word1 + \" \" + word2 + word3;\n",
"print \"The phrase is: \" , phrase , \"\\n\";\n",
"print \"The phrase has \" , len(phrase) , \" characters in it.\\n\";\n",
"print \"The character at position 0 is: \" , phrase[0] , \"\\n\\n\";\n",
"print \"Changing the character at position 0.\\n\";\n",
"#phrase[0] = 'L';\n",
"print \"The phrase is now: \" , phrase , \"\\n\"\n",
"for i in range(len(phrase)):\n",
" print \"Character at position \" , i , \" is: \" , phrase[i] \n",
"\n",
"print \"\\nThe sequence 'Over' begins at location \";\n",
"print phrase.find(\"Over\") \n",
"if (\"eggplant\" not in phrase):\n",
" print \"'eggplant' is not in the phrase.\\n\\n\";\n",
"\n",
"# Python does not support string erase function.\n",
"#phrase.erase(4, 5); \n",
"print \"The phrase is now: \" , phrase \n",
"#phrase.erase(4);\n",
"print \"The phrase is now: \" , phrase \n",
"#phrase.erase();\n",
"print \"The phrase is now: \" , phrase \n",
"if (phrase==''):\n",
" print \"\\nThe phrase is no more.\\n\";"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"The phrase is: Game Over! \n",
"\n",
"The phrase has 10 characters in it.\n",
"\n",
"The character at position 0 is: G \n",
"\n",
"\n",
"Changing the character at position 0.\n",
"\n",
"The phrase is now: Game Over! \n",
"\n",
"Character at position 0 is: G\n",
"Character at position 1 is: a\n",
"Character at position 2 is: m\n",
"Character at position 3 is: e\n",
"Character at position 4 is: \n",
"Character at position 5 is: O\n",
"Character at position 6 is: v\n",
"Character at position 7 is: e\n",
"Character at position 8 is: r\n",
"Character at position 9 is: !\n",
"\n",
"The sequence 'Over' begins at location \n",
"5\n",
"'eggplant' is not in the phrase.\n",
"\n",
"\n",
"The phrase is now: Game Over!\n",
"The phrase is now: Game Over!\n",
"The phrase is now: Game Over!\n"
]
}
],
"prompt_number": 2
},
{
"cell_type": "heading",
"level": 3,
"metadata": {},
"source": [
"example 3.3 page no : 97"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"\n",
"MAX_ITEMS = 10;\n",
"inventory = [];\n",
"\n",
"inventory.append(\"sword\")\n",
"inventory.append(\"armor\")\n",
"inventory.append(\"shield\")\n",
"print \"Your items:\\n\";\n",
"for i in range(len(inventory)):\n",
" print inventory[i]\n",
"\n",
"print \"\\nYou trade your sword for a battle axe.\";\n",
"inventory[0] = \"battle axe\";\n",
"print \"\\nYour items:\\n\";\n",
"for i in range(len(inventory)):\n",
" print inventory[i]\n",
"\n",
"print \"\\nThe item name '\" , inventory[0] , \"' has \",\n",
"print len(inventory[0]) , \" letters in it.\\n\";\n",
"print \"\\nYou find a healing potion.\";\n",
"if (len(inventory) < MAX_ITEMS):\n",
" inventory.append(\"healing potion\")\n",
"else:\n",
" print \"You have too many items and can't carry another.\";\n",
"print \"\\nYour items:\\n\";\n",
"for i in range(len(inventory)):\n",
" print inventory[i]\n"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Your items:\n",
"\n",
"sword\n",
"armor\n",
"shield\n",
"\n",
"You trade your sword for a battle axe.\n",
"\n",
"Your items:\n",
"\n",
"battle axe\n",
"armor\n",
"shield\n",
"\n",
"The item name ' battle axe ' has 10 letters in it.\n",
"\n",
"\n",
"You find a healing potion.\n",
"\n",
"Your items:\n",
"\n",
"battle axe\n",
"armor\n",
"shield\n",
"healing potion\n"
]
}
],
"prompt_number": 3
},
{
"cell_type": "heading",
"level": 3,
"metadata": {},
"source": [
"example 3.4 page no : 104"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"\n",
"ROWS = 3;\n",
"COLUMNS = 3;\n",
"board = [['O', 'X', 'O'],[' ', 'X', 'X'],['X', 'O', 'O']]\n",
"print \"Here's the tic-tac-toe board:\\n\";\n",
"for i in range(ROWS):\n",
" for j in range(COLUMNS):\n",
" print board[i][j],\n",
" print ''\n",
"\n",
"print \"\\n'X' moves to the empty location.\\n\\n\";\n",
"board[1][0] = 'X';\n",
"print \"Now the tic-tac-toe board is:\\n\";\n",
"for i in range(ROWS):\n",
" for j in range(COLUMNS):\n",
" print board[i][j],\n",
" print ''\n",
"print \"\\n'X' wins!\";"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"Here's the tic-tac-toe board:\n",
"\n",
"O X O \n",
" X X \n",
"X O O \n",
"\n",
"'X' moves to the empty location.\n",
"\n",
"\n",
"Now the tic-tac-toe board is:\n",
"\n",
"O X O \n",
"X X X \n",
"X O O \n",
"\n",
"'X' wins!\n"
]
}
],
"prompt_number": 4
},
{
"cell_type": "heading",
"level": 3,
"metadata": {},
"source": [
"example 3.5 page no : 107"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"\n",
"fields = ['WORD', 'HINT', 'NUM_FIELDS']\n",
"NUM_WORDS = 5;\n",
"WORDS = [ [\"wall\", \"Do you feel you're banging your head against something?\"],\n",
" [\"glasses\", \"These might help you see the answer.\"],\n",
" [\"labored\", \"Going slowly, is it?\"],\n",
" [\"persistent\", \"Keep at it.\"],\n",
" [\"jumble\", \"It's what the game is all about.\"]]\n",
"\n",
"class difficulty:\n",
" EASY = 0\n",
" MEDIUM = 1\n",
" HARD = 2\n",
" NUM_DIFF_LEVELS = 3\n",
" \n",
"print \"There are \" , difficulty.NUM_DIFF_LEVELS ,\" difficulty levels.\"\n",
"\n",
"import random\n",
"#srand(static_cast<unsigned int>(time(0)));\n",
"choice = (int(random.random() * 10) % NUM_WORDS);\n",
"theWord = WORDS[choice][0]; # word to guess\n",
"theHint = WORDS[choice][1]; # hint for word\n",
"jumble = theWord; # jumbled version of word\n",
"length = len(jumble)\n",
"for i in range(length):\n",
" index1 = (int(random.random() * 10) % length);\n",
" index2 = (int(random.random() * 10) % length);\n",
" temp = list(jumble)\n",
" temp[index1],temp[index2] = temp[index2],temp[index1]\n",
" jumble = ''.join(temp)\n",
"\n",
"print \"\\t\\t\\tWelcome to Word Jumble!\\n\\n\";\n",
"print \"Unscramble the letters to make a word.\\n\";\n",
"print \"Enter 'hint' for a hint.\\n\";\n",
"print \"Enter 'quit' to quit the game.\\n\\n\";\n",
"print \"The jumble is: \" , jumble;\n",
"\n",
"print \"Your guess: \";\n",
"guess = raw_input()\n",
"\n",
"while ((guess != theWord) and (guess != \"quit\")):\n",
" if (guess == \"hint\"):\n",
" print theHint;\n",
" else:\n",
" print \"Sorry, that's not it.\";\n",
" print \"\\n\\nYour guess: \";\n",
" guess = raw_input()\n",
"\n",
"if (guess == theWord):\n",
" print \"\\nThat's it! You guessed it!\\n\";\n",
"\n",
"print \"\\nThanks for playing.\\n\";\n"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"There are 3 difficulty levels.\n",
"\t\t\tWelcome to Word Jumble!\n",
"\n",
"\n",
"Unscramble the letters to make a word.\n",
"\n",
"Enter 'hint' for a hint.\n",
"\n",
"Enter 'quit' to quit the game.\n",
"\n",
"\n",
"The jumble is: gasslse\n",
"Your guess: \n"
]
},
{
"name": "stdout",
"output_type": "stream",
"stream": "stdout",
"text": [
"glasses\n"
]
},
{
"output_type": "stream",
"stream": "stdout",
"text": [
"\n",
"That's it! You guessed it!\n",
"\n",
"\n",
"Thanks for playing.\n",
"\n"
]
}
],
"prompt_number": 1
}
],
"metadata": {}
}
]
}