Monty Hall Game

Author: Gob7

Games & Number System/montyHall.py

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+# Monty Hall Problem
+import random
+
+
+def message():
+ print('Game Rules & How to play:')
+ print('1.\tThere are three doors.')
+ print('2.\tPrize is present only behind one of the doors.')
+ print('3.\tYou have to choose one of the doors, numbered (1, 2, 3).')
+ print('4.\tThen the host will open one of the empty doors (excluding your choice).')
+ print('5.\tAfter that you will be asked again for your choice.')
+ print('6.\tIf your final choice is same as door hiding prize, you win.')
+ print('\n')
+
+def initPrize():
+ return random.randint(1, 3)
+
+
+def hostOpens(prize, choice):
+ door = []
+
+ for i in range(1, 4):
+ if i not in (prize, choice):
+ door.append(i)
+
+ k = random.randint(0, len(door) - 1)
+ return door[k]
+
+
+def montyHallGame():
+ print('\n\nStarting new game...\n')
+
+ prize = initPrize()
+ choice = int(input('Enter door to open\t: '))
+ if choice not in range(1, 4):
+ raise ValueError
+ 
+ open = hostOpens(prize, choice)
+ print('Host opened door\t:', open)
+
+ choice = int(input('\nOpen door\t: '))
+ if choice not in range(1, 4):
+ raise ValueError
+
+ print('Prize at\t:', prize)
+ if choice == prize:
+ return 1
+ return 0
+ 
+
+def main():
+ message()
+
+ while True:
+ try:
+ i = montyHallGame()
+ if i:
+ print('Congratulations, You won the prize!!!')
+ else:
+ print('Oops, You lost the prize...')
+
+ exit = input('\nPress "1" to exit: ')
+ if exit == '1':
+ break
+
+ except:
+ print('\nWrong input, exiting...')
+ break
+ 
+ print('\n---Thank You for playing---\n')
+
+
+main()