montyHallStatCheck.py

import random

switchDoors = True    # whether player changes his choice after host opens a door
sampleTries = 100   

timesWon, timesLost = 0,0
for iters in range (sampleTries):

	# put the car behind a random door
	car = (int)(random.uniform(0,3)) 			
	#print "Car is behind",car

	# pick one door out of the remaining doors to open
	iOpen = (int)(random.uniform(0,3)) 			
	#print "You initially choose",iOpen

	# host picks the other door and offers you the choice
	heOpens = 0
	while (heOpens == car or heOpens == iOpen):
		heOpens = heOpens + 1				
	#print "Host opens",heOpens

	# switch to the other unopened door and play.
	finalDoor = 0

	if(switchDoors is True):
		while (finalDoor == iOpen or finalDoor == heOpens):
			finalDoor = finalDoor + 1
        #print "You finally choose", iOpen

	# check for a win
	if (finalDoor == car):
		#print "Won"
		timesWon = timesWon + 1
	else:
		#print "Lost"
		timesLost = timesLost + 1

print "Times won", timesWon
print "Times lost", timesLost
print "Won", (100*timesWon/(timesWon+timesLost)), "%"