COMP 1039: Problem Solving and Programming Assessment Answers

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The assignment is intended to provide you with the opportunity to put into practice what you have learnt in the course by applying your knowledge and skills to a simple encryption technique and the implementation of a game called Two-Dice Pig. ASSIGNMENT OVERVIEW There are two parts to this assignment: Part I: Encryption You are required to write a Python program that performs simple encryption and decryption on strings entered by the user. To do so, you are to use one of the simplest and most widely known encryption techniques known as the Caesar Cipher. The Caesar Cipher is named after Julius Caesar who used it for private correspondence. Part II: Two-Dice Pig You are required to write a Python program that plays a game of Two-Dice Pig with the user.

STEP1 from random import randint proceed = "r" while proceed == "r": proceed = raw_input("| Would you like to roll or hold (r/h)?") if proceed == "r": die1 = (randint(1,6)) die2 = (randint(1,6)) dietotal = die1 + die2 print "| Die 1: {0} | Die 2:{1} | Die total: {2}".format(die1,die2,dietotal) if proceed == "h": print "Thanks for playing!"   STEP2   from random import randint proceed = "r" die_turntotal = 0 while proceed == "r": proceed = raw_input("| Would you like to roll or hold (r/h)?") if proceed == "r": die1 = (randint(1,6)) die2 = (randint(1,6)) dietotal = die1 + die2 print "| Die 1: {0} | Die 2:{1} | Die total: {2}".format(die1,die2,dietotal) die_turntotal = die_turntotal + dietotal if die1 == 1 and die2 == 1: proceed = "losetotal" elif die1 == 1 or die2 == 1: proceed = "loseall" else: print "| Turn total: {0} | Potential score: {1}\n|".format(die_turntotal,die_turntotal) if proceed == "h": print "Thanks for playing!" elif proceed == "losetotal": print "Thanks for playing!" elif proceed == "loseall": print "Thanks for playing!"   STEP3   from random import randint proceed = "r" die_turntotal = 0 while proceed == "r": proceed = raw_input("| Would you like to roll or hold (r/h)?") if proceed == "r": die1 = (randint(1,6)) die2 = (randint(1,6)) dietotal = die1 + die2 print "| Die 1: {0} | Die 2:{1} | Die total: {2}".format(die1,die2,dietotal) die_turntotal = die_turntotal + dietotal if die1 == 1 and die2 == 1: proceed = "losetotal" elif die1 == 1 or die2 == 1: proceed = "loseall" else: print "| Turn total: {0} | Potential score: {1}\n|".format(die_turntotal,die_turntotal) if proceed == "h": print "| *** Hold!" print "| *** Player's score: {0} | Computer's score: 0\nThanks for playing!".format(die_turntotal) elif proceed == "losetotal": print "| *** You rolled two ONEs – You lose all points!\nThanks for playing!" print "| *** Player's score: 0 | Computer's score: 0" elif proceed == "loseall": print "| *** You rolled a ONE - Turn over - No points for you!\nThanks for playing!" print "| *** Player's score: 0 | Computer's score: 0"   STEP4   from random import randint proceed = "r" die_turntotal = 0 while proceed == "r": proceed = raw_input("| Would you like to roll or hold (r/h)?") if proceed == "r": die1 = (randint(1,6)) die2 = (randint(1,6)) dietotal = die1 + die2 print "| Die 1: {0} | Die 2:{1} | Die total: {2}".format(die1,die2,dietotal) die_turntotal = die_turntotal + dietotal if die1 == 1 and die2 == 1: proceed = "losetotal" elif die1 == 1 or die2 == 1: proceed = "loseall" else: print "| Turn total: {0} | Potential score: {1}\n|".format(die_turntotal,die_turntotal) if die_turntotal >= 20: proceed = "h" if proceed == "h": print "| *** Hold!" print "| *** Computer's score: {0} | Player's score: 0".format(die_turntotal) elif proceed == "losetotal": print "| *** Computer rolled two ONEs - Computer lose all points!" print "| *** Computer's score: 0 | Player's score: 0" elif proceed == "loseall": print "| *** Computer rolled a ONE - Turn over - No points for you!" print "| *** Computer's score: 0 | Player's score: 0"   STEP5   while proceed == "r": die1 = (randint(1, 6))#Random generation of numbers for die's die2 = (randint(1, 6)) dietotal_comp = die1 + die2#Add dies in one throw print "| Die 1: {0} | Die 2:{1} | Die total: {2}".format(die1, die2, dietotal_comp) die_turntotal = die_turntotal + dietotal_comp#Total tuen score dietotal_comp = 0 comp_goaltotal = temp_total_comp + die_turntotal#Total potential score calculation   if die1 == 1 and die2 == 1: proceed = "losetotal" comp_goaltotal = 0 elif die1 == 1 or die2 == 1: proceed = "loseall" comp_goaltotal = comp_goaltotal - die_turntotal else: if die_turntotal >= 20:#Hold at 20 policy proceed = "h" comp_goaltotal = temp_total_comp + die_turntotal if comp_goaltotal >= 100:#Goal policy proceed = "win" else: print "| Turn total: {0} | Potential score: {1}\n|".format(die_turntotal, comp_goaltotal)   if proceed == "h": print "| *** Hold!" print "| *** Computer's score: {0} | {1}'s score: {2}".format(comp_goaltotal,name,player_goaltotal) elif proceed == "losetotal": print "| *** Computer rolled two ONEs - Computer loses all points!" print "| *** Computer's score: {0} | {1}'s score: {2}".format(comp_goaltotal,name,player_goaltotal) elif proceed == "loseall": print "| *** Computer rolled a ONE - Turn over - No points for Computer!" print "| *** Computer's score: {0} | {1}'s score: {2}".format(comp_goaltotal,name,player_goaltotal) elif proceed == "win": print"| ** ** ** ** ** ** ** ** ** ** ** *GAMEOVER ** ** ** ** ** ** ** ** ** ** ** ** ** *" print "| ** *Computer win!! Bad Luck!|" print "| *** Computer's score: {0} | {1}'s score: {2}".format(comp_goaltotal,name,player_goaltotal) print"| ** ** ** ** ** ** ** ** ** ** ** *GAMEOVER ** ** ** ** ** ** ** ** ** ** ** ** ** *" comp_goaltotal=0   else: print "PLEASE ENTER A VALID INPUT!!!" temp_total_comp = comp_goaltotal print"| ------------------- End Computer's Turn -----------------------"   STEP6   from random import randint proceed = "r" flag = 0 die_turntotal = 0 temp_total_player = 0 temp_total_comp = 0 player_goaltotal = 0 comp_goaltotal = 0 play = raw_input("Would you like to play PIG (y/n)?") if play == "y": name = raw_input("Great! What is your name?") print "Hi {0}!".format(name) while player_goaltotal < 100 and comp_goaltotal < 100 : proceed = "r" print "|------------------- Start Player's Turn ---------------------" die_turntotal = 0 while proceed == "r": proceed = raw_input("| Would you like to roll or hold (r/h)?") if proceed == "r": die1 = (randint(1,6)) die2 = (randint(1,6)) dietotal_player = die1 + die2 print "| Die 1: {0} | Die 2:{1} | Die total: {2}".format(die1,die2,dietotal_player) die_turntotal = die_turntotal + dietotal_player dietotal_player = 0 player_goaltotal = temp_total_player + die_turntotal if die1 == 1 and die2 == 1: proceed = "losetotal" player_goaltotal = 0 elif die1 == 1 or die2 == 1: proceed = "loseall" player_goaltotal = player_goaltotal - die_turntotal elif player_goaltotal >= 100: proceed = "win" else: print "| Turn total: {0} | Potential score: {1}\n|".format(die_turntotal, player_goaltotal)   if proceed == "h": print "| *** Hold!" player_goaltotal = temp_total_player + die_turntotal print "| *** {0}'s score: {1} | Computer's score: {2}".format(name,player_goaltotal,comp_goaltotal) elif proceed == "losetotal": print "| *** You rolled two ONEs - You lose all points!" print "| *** {0}'s score: {1} | Computer's score: {2}".format(name,player_goaltotal,comp_goaltotal) elif proceed == "loseall": print "| *** You rolled a ONE - Turn over - No points for you!" print "| *** {0}'s score: {1} | Computer's score: {2}".format(name,player_goaltotal, comp_goaltotal) elif proceed == "win": flag = 1 print"| ** ** ** ** ** ** ** ** ** ** ** *GAMEOVER ** ** ** ** ** ** ** ** ** ** ** ** ** *" print "| ** *You win!! Congratulations!" print "| *** {0}'s score: {1} | Computer's score: {2}".format(name,player_goaltotal, comp_goaltotal) print"| ** ** ** ** ** ** ** ** ** ** ** *GAMEOVER ** ** ** ** ** ** ** ** ** ** ** ** ** *" else: print "PLEASE ENTER A VALID INPUT!!!" temp_total_player = player_goaltotal print"| ------------------- End Player's Turn -----------------------"   if flag != 1: print "|------------------- Start Computer's Turn ---------------------" proceed = "r" die_turntotal = 0 while proceed == "r": die1 = (randint(1, 6)) die2 = (randint(1, 6)) dietotal_comp = die1 + die2 print "| Die 1: {0} | Die 2:{1} | Die total: {2}".format(die1, die2, dietotal_comp) die_turntotal = die_turntotal + dietotal_comp dietotal_comp = 0 comp_goaltotal = temp_total_comp + die_turntotal   if die1 == 1 and die2 == 1: proceed = "losetotal" comp_goaltotal = 0 elif die1 == 1 or die2 == 1: proceed = "loseall" comp_goaltotal = comp_goaltotal - die_turntotal else: if die_turntotal >= 20: proceed = "h" comp_goaltotal = temp_total_comp + die_turntotal if comp_goaltotal >= 100: proceed = "win" else: print "| Turn total: {0} | Potential score: {1}\n|".format(die_turntotal, comp_goaltotal)   if proceed == "h": print "| *** Hold!" print "| *** Computer's score: {0} | {1}'s score: {2}".format(comp_goaltotal,name,player_goaltotal) elif proceed == "losetotal": print "| *** Computer rolled two ONEs - Computer loses all points!" print "| *** Computer's score: {0} | {1}'s score: {2}".format(comp_goaltotal,name,player_goaltotal) elif proceed == "loseall": print "| *** Computer rolled a ONE - Turn over - No points for Computer!" print "| *** Computer's score: {0} | {1}'s score: {2}".format(comp_goaltotal,name,player_goaltotal) elif proceed == "win": print"| ** ** ** ** ** ** ** ** ** ** ** *GAMEOVER ** ** ** ** ** ** ** ** ** ** ** ** ** *" print "| ** *Computer win!! Bad Luck!|" print "| *** Computer's score: {0} | {1}'s score: {2}".format(comp_goaltotal,name,player_goaltotal) print"| ** ** ** ** ** ** ** ** ** ** ** *GAMEOVER ** ** ** ** ** ** ** ** ** ** ** ** ** *" else: print "PLEASE ENTER A VALID INPUT!!!" temp_total_comp = comp_goaltotal print"| ------------------- End Computer's Turn -----------------------"   if player_goaltotal >= 100 and proceed != "win": print "| ** *You win!! Congratulations!" print "| *** {0}'s score: {1} | Computer's score: {2}".format(name,player_goaltotal, comp_goaltotal) elif comp_goaltotal >= 100 and proceed != "win": print "| ** *Computer win!! Bad Luck!|" print "| *** Computer's score: {0} | {1}'s score: {2}".format(comp_goaltotal,name,player_goaltotal )   elif play =="n": print "HAVE A GOOD DAY!" else: print "PLEASE ENTER A VALID INPUT!!!" STEP7 & STEP8   from random import randint import sys proceed = "r" flag = 0 die_turntotal = 0 temp_total_player = 0 temp_total_comp = 0 player_goaltotal = 0 comp_goaltotal = 0 play = raw_input("Would you like to play PIG (y/n)?") if play == "y": name = raw_input("Great! What is your name?") print "Hi {0}!".format(name) while player_goaltotal < 100 and comp_goaltotal < 100 : proceed="r" print "|------------------- Start Player's Turn ---------------------" die_turntotal = 0 while proceed == "r": proceed = raw_input("| Would you like to roll or hold (r/h)?") if proceed == "r": die1 = (randint(1,6))#To generate random numbers die2 = (randint(1,6)) dietotal_player = die1 + die2 print "| Die 1: {0} | Die 2:{1} | Die total: {2}".format(die1,die2,dietotal_player) die_turntotal = die_turntotal + dietotal_player dietotal_player = 0 player_goaltotal = temp_total_player + die_turntotal#To calaculate goal total if die1 == 1 and die2 == 1: proceed = "losetotal" player_goaltotal = 0 elif die1 == 1 or die2 == 1: proceed = "loseall" player_goaltotal = player_goaltotal - die_turntotal elif player_goaltotal >= 100: proceed = "win" else: print "| Turn total: {0} | Potential score: {1}\n|".format(die_turntotal, player_goaltotal)   if proceed == "h":#For hold condition print "| *** Hold!" player_goaltotal = temp_total_player + die_turntotal print "| *** {0}'s score: {1} | Computer's score: {2}".format(name,player_goaltotal,comp_goaltotal) elif proceed == "losetotal":# Two ones ooccuring condition print "| *** You rolled two ONEs - You lose all points!" print "| *** {0}'s score: {1} | Computer's score: {2}".format(name,player_goaltotal,comp_goaltotal) elif proceed == "loseall":#One one occuring condition print "| *** You rolled a ONE - Turn over - No points for you!" print "| *** {0}'s score: {1} | Computer's score: {2}".format(name,player_goaltotal, comp_goaltotal) elif proceed == "win": flag = 1 print"| ** ** ** ** ** ** ** ** ** ** ** *GAMEOVER ** ** ** ** ** ** ** ** ** ** ** ** ** *" print "| ** *You win!! Congratulations!" print "| *** {0}'s score: {1} | Computer's score: {2}".format(name,player_goaltotal, comp_goaltotal) print"| ** ** ** ** ** ** ** ** ** ** ** *GAMEOVER ** ** ** ** ** ** ** ** ** ** ** ** ** *" player_goaltotal=0#Reset the total goal score .Used if request for replay is given else: print "PLEASE ENTER A VALID INPUT!!!" temp_total_player = player_goaltotal print"| ------------------- End Player's Turn -----------------------"   if flag != 1:#To stop after player wins print "|------------------- Start Computer's Turn ---------------------" proceed = "r" die_turntotal = 0 while proceed == "r": die1 = (randint(1, 6))#Random generation of numbers for die's die2 = (randint(1, 6)) dietotal_comp = die1 + die2#Add dies in one throw print "| Die 1: {0} | Die 2:{1} | Die total: {2}".format(die1, die2, dietotal_comp) die_turntotal = die_turntotal + dietotal_comp#Total tuen score dietotal_comp = 0 comp_goaltotal = temp_total_comp + die_turntotal#Total potential score calculation   if die1 == 1 and die2 == 1: proceed = "losetotal" comp_goaltotal = 0 elif die1 == 1 or die2 == 1: proceed = "loseall" comp_goaltotal = comp_goaltotal - die_turntotal else: if die_turntotal >= 20:#Hold at 20 policy proceed = "h" comp_goaltotal = temp_total_comp + die_turntotal if comp_goaltotal >= 100:#Goal policy proceed = "win" else: print "| Turn total: {0} | Potential score: {1}\n|".format(die_turntotal, comp_goaltotal)   if proceed == "h": print "| *** Hold!" print "| *** Computer's score: {0} | {1}'s score: {2}".format(comp_goaltotal,name,player_goaltotal) elif proceed == "losetotal": print "| *** Computer rolled two ONEs - Computer loses all points!" print "| *** Computer's score: {0} | {1}'s score: {2}".format(comp_goaltotal,name,player_goaltotal) elif proceed == "loseall": print "| *** Computer rolled a ONE - Turn over - No points for Computer!" print "| *** Computer's score: {0} | {1}'s score: {2}".format(comp_goaltotal,name,player_goaltotal) elif proceed == "win": print"| ** ** ** ** ** ** ** ** ** ** ** *GAMEOVER ** ** ** ** ** ** ** ** ** ** ** ** ** *" print "| ** *Computer win!! Bad Luck!|" print "| *** Computer's score: {0} | {1}'s score: {2}".format(comp_goaltotal,name,player_goaltotal) print"| ** ** ** ** ** ** ** ** ** ** ** *GAMEOVER ** ** ** ** ** ** ** ** ** ** ** ** ** *" comp_goaltotal=0   else: print "PLEASE ENTER A VALID INPUT!!!" temp_total_comp = comp_goaltotal print"| ------------------- End Computer's Turn -----------------------" if proceed == "win": playagain = raw_input("Would you like to play again?(y/n)")#Request to play again if playagain == "y": proceed = "r" flag = 0 player_goaltotal = 0 comp_goaltotal = 0 temp_total_comp=0 temp_total_player=0 else: print "HAVE A GOOD DAY!" sys.exit(0)#exits if player_goaltotal >= 100 and proceed != "win": print "| ** *You win!! Congratulations!" print "| *** {0}'s score: {1} | Computer's score: {2}".format(name,player_goaltotal, comp_goaltotal) elif comp_goaltotal >= 100 and proceed != "win": print "| ** *Computer win!! Bad Luck!|" print "| *** Computer's score: {0} | {1}'s score: {2}".format(comp_goaltotal,name,player_goaltotal )   elif play =="n": print "HAVE A GOOD DAY!"#If user selects no else: print "PLEASE ENTER A VALID INPUT!!!"#If any other input other than requested ones are given