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{
"metadata": {
"name": "ch2"
},
"nbformat": 3,
"nbformat_minor": 0,
"worksheets": [
{
"cells": [
{
"cell_type": "heading",
"level": 1,
"metadata": {},
"source": "Chapter 2 : Truth, Branching, and the Game Loop: Guess My Number"
},
{
"cell_type": "heading",
"level": 3,
"metadata": {},
"source": "Example 2.1 page no : 41"
},
{
"cell_type": "code",
"collapsed": false,
"input": "'''\nScore Rater\nDemonstrates the if statement\n'''\n\nif (True):\n print \"This is always displayed.\\n\\n\";\n\nif (False):\n print \"This is never displayed.\\n\\n\";\nscore = 1000;\nif (score):\n print \"At least you didn't score zero.\\n\\n\";\n\nif (score >= 250):\n print \"You scored 250 or more. Decent.\\n\\n\";\n\nif (score >= 500):\n print \"You scored 500 or more. Nice.\\n\\n\";\nif (score >= 1000):\n print \"You scored 1000 or more. Impressive!\\n\";",
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": "This is always displayed.\n\n\nAt least you didn't score zero.\n\n\nYou scored 250 or more. Decent.\n\n\nYou scored 500 or more. Nice.\n\n\nYou scored 1000 or more. Impressive!\n\n"
}
],
"prompt_number": 13
},
{
"cell_type": "heading",
"level": 3,
"metadata": {},
"source": "Example 2.2 page no :46"
},
{
"cell_type": "code",
"collapsed": false,
"input": "'''\nScore Rater 2.0\nDemonstrates an else clause\n'''\n\nprint \"Enter your score: \";\nscore = 1500 #int(raw_input())\nif (score >= 1000):\n print \"You scored 1000 or more. Impressive!\\n\";\nelse:\n print \"You scored less than 1000.\\n\";",
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": "Enter your score: \nYou scored 1000 or more. Impressive!\n\n"
}
],
"prompt_number": 2
},
{
"cell_type": "heading",
"level": 3,
"metadata": {},
"source": "Example 2.3 page no : 49"
},
{
"cell_type": "code",
"collapsed": false,
"input": "'''\n// Score Rater 3.0\n// Demonstrates if else-if else suite\n'''\n\n\nprint \"Enter your score: \";\nscore = 1500 #int(raw_input())\n\nif (score >= 1000):\n print \"You scored 1000 or more. Impressive!\\n\";\nelif (score >= 500):\n print \"You scored 500 or more. Nice.\\n\";\nelif (score >= 250):\n print \"You scored 250 or more. Decent.\\n\";\nelse:\n print \"You scored less than 250. Nothing to brag about.\\n\";",
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": "Enter your score: \nYou scored 1000 or more. Impressive!\n\n"
}
],
"prompt_number": 3
},
{
"cell_type": "heading",
"level": 3,
"metadata": {},
"source": "example 2.4 page no : 53"
},
{
"cell_type": "code",
"collapsed": false,
"input": "'''\n// Menu Chooser\n// Demonstrates the switch statement\n'''\n\nprint \"Difficulty Levels\\n\\n\";\nprint \"1 - Easy\\n\";\nprint \"2 - Normal\\n\";\nprint \"3 - Hard\\n\\n\";\n\nprint \"Choice: \";\nchoice = 2 #int(raw_input())\nif choice==1:\n print \"You picked Easy.\\n\";\nelif choice==2: \n print \"You picked Normal.\\n\";\nelif choice==3:\n \"You picked Hard.\\n\";\nelse: \n \"You made an illegal choice.\\n\";",
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": "Difficulty Levels\n\n\n1 - Easy\n\n2 - Normal\n\n3 - Hard\n\n\nChoice: \nYou picked Normal.\n\n"
}
],
"prompt_number": 4
},
{
"cell_type": "heading",
"level": 3,
"metadata": {},
"source": "example 2.5 page no : 55"
},
{
"cell_type": "code",
"collapsed": false,
"input": "'''\nPlay Again\nDemonstrates while loops\n'''\nchoices = ['y','y','n']\nagain = 'y'\ni = 0\nwhile (again == 'y'):\n print \"\\n**Played an exciting game**\";\n print \"\\nDo you want to play again? (y/n): \",\n again = choices[i] #raw_input()\n i += 1\n\nprint \"\\nOkay, bye.\";",
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": "\n**Played an exciting game**\n\nDo you want to play again? (y/n): \n**Played an exciting game**\n\nDo you want to play again? (y/n): \n**Played an exciting game**\n\nDo you want to play again? (y/n): \nOkay, bye.\n"
}
],
"prompt_number": 6
},
{
"cell_type": "heading",
"level": 3,
"metadata": {},
"source": "example 2.6 page no : 57"
},
{
"cell_type": "code",
"collapsed": false,
"input": "'''\nPlay Again\nDemonstrates while loops\n'''\nchoices = ['y','y','n']\ni = 0\nagain = 'y'\nwhile (again == 'y'):\n print \"\\n**Played an exciting game**\";\n print \"\\nDo you want to play again? (y/n): \",\n again = choices[i] #raw_input()\n i += 1\n\nprint \"\\nOkay, bye.\";",
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": "\n**Played an exciting game**\n\nDo you want to play again? (y/n): \n**Played an exciting game**\n\nDo you want to play again? (y/n): \n**Played an exciting game**\n\nDo you want to play again? (y/n): \nOkay, bye.\n"
}
],
"prompt_number": 7
},
{
"cell_type": "heading",
"level": 3,
"metadata": {},
"source": "example 2.7 page no :59"
},
{
"cell_type": "code",
"collapsed": false,
"input": "'''\n// Finicky Counter\n// Demonstrates break and continue statements\n'''\ncount = 0;\nwhile (True):\n count += 1;\n #end loop if count is greater than 10\n if (count > 10):\n break;\n #skip the number 5\n if (count == 5):\n continue;\n print count",
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": "1\n2\n3\n4\n6\n7\n8\n9\n10\n"
}
],
"prompt_number": 8
},
{
"cell_type": "heading",
"level": 3,
"metadata": {},
"source": "example 2.8 page no : 63"
},
{
"cell_type": "code",
"collapsed": false,
"input": "'''\n// Designers Network\n// Demonstrates logical operators\n'''\n\nprint \"\\tGame Designer's Network\\n\";\nsuccess = False\nwhile not success:\n print \"\\nUsername: \";\n username = 'guest' #raw_input()\n print \"Password: \";\n password = 'guest' #raw_input()\n if (username == \"S.Meier\" and password == \"civilization\"):\n print \"\\nHey, Sid.\";\n success = True;\n elif (username == \"S.Miyamoto\" and password == \"mariobros\"):\n print \"\\nWhat's up, Shigeru?\";\n success = True;\n elif (username == \"W.Wright\" and password == \"thesims\"):\n print \"\\nHow goes it, Will?\";\n success = True;\n elif (username == \"guest\" or password == \"guest\"):\n print \"\\nWelcome, guest.\";\n success = True;\n else:\n print \"\\nYour login failed.\";\n success = False;",
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": "\tGame Designer's Network\n\n\nUsername: \nPassword: \n\nWelcome, guest.\n"
}
],
"prompt_number": 9
},
{
"cell_type": "heading",
"level": 3,
"metadata": {},
"source": "example 2.9 page no : 68"
},
{
"cell_type": "code",
"collapsed": false,
"input": "'''\n// Die Roller\n// Demonstrates generating random numbers\n'''\nimport random\n\nrandomNumber = random.random()*100;\n#seed random number generator\n#generate random number\ndie = int(randomNumber % 6) + 1; # get a number between 1 and 6\nprint \"You rolled a \" , die",
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": "You rolled a 4\n"
}
],
"prompt_number": 10
},
{
"cell_type": "heading",
"level": 3,
"metadata": {},
"source": "example 2.10 page no : 74"
},
{
"cell_type": "code",
"collapsed": false,
"input": "'''\nGuess My Number\nThe classic number guessing game\n'''\nimport random\nsecretNumber = int(random.random()*100) % 10 + 1;\ntries = 0;\n#seed random number generator\n# random number between 1 and 100\nprint \"\\tWelcome to Guess My Number\\n\\n\";\nguesses = [0,1,2,3,4,5,6,7,8,9,10]\ni = 0\nwhile True:\n print \"Enter a guess: \";\n guess = guesses[i] #int(raw_input())\n i += 1\n tries += 1\n if (guess > secretNumber):\n print \"Too high!\\n\\n\";\n elif (guess < secretNumber):\n print \"Too low!\\n\\n\";\n else:\n print \"\\nThat's it! You got it in \" , tries , \" guesses!\\n\";\n break",
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": "\tWelcome to Guess My Number\n\n\nEnter a guess: \nToo low!\n\n\nEnter a guess: \nToo low!\n\n\nEnter a guess: \nToo low!\n\n\nEnter a guess: \nToo low!\n\n\nEnter a guess: \nToo low!\n\n\nEnter a guess: \nToo low!\n\n\nEnter a guess: \n\nThat's it! You got it in 7 guesses!\n\n"
}
],
"prompt_number": 11
},
{
"cell_type": "code",
"collapsed": false,
"input": "",
"language": "python",
"metadata": {},
"outputs": []
}
],
"metadata": {}
}
]
}
|
