import random import time def getRandomIntNum(minNum=0,maxNum=2): num=random.randint(minNum,maxNum) return num def initDoors(): doors=[False]*3 randomNum=getRandomIntNum() carDoorIndex=randomNum doors[carDoorIndex]=True return doors def chooseDoor(): return getRandomIntNum() def checkOtherDoor_random(doors,choseIndex): otherDoorsIndices=[] for index in range(len(doors)): if index !=choseIndex: otherDoorsIndices.append(index) randomNum=getRandomIntNum(0,1) checkIndex=otherDoorsIndices[randomNum] checkResult=doors[checkIndex] return (checkIndex,checkResult) def checkOtherDoor_special(doors,choseIndex): for index in range(len(doors)): if index!=choseIndex: if(doors[index]==False): return index,False def getChangedResult(doors,choseIndex,checkIndex): for index in range(len(doors)): if index != choseIndex and index != checkIndex: if doors[index] == True: return 'win' else: return 'lose' def getKeepResult(doors,choseIndex): if doors[choseIndex] == True: return 'win' else: return 'lose' # playerStrategy='change' or playerStrategy='keep' # gameStrategy='random' or gameStrategy='special' def playThreeDoorsGame(gameStrategy='special',playerStrategy='change'): doors=initDoors() choseIndex=chooseDoor() if gameStrategy=='special': checkOtherDoor=checkOtherDoor_special elif gameStrategy=='random': checkOtherDoor=checkOtherDoor_random checkIndex,checkResult=checkOtherDoor(doors,choseIndex) if checkResult==True: return 'Game over' if playerStrategy=='change': gameResult=getChangedResult(doors,choseIndex,checkIndex) return gameResult if playerStrategy=='keep': gameResult=getKeepResult(doors,choseIndex) return gameResult if __name__=="__main__": random.seed(time.time()) countMap={} countMap['win']=0 countMap['lose']=0 countMap['Game over']=0 #在裁判排除一个门之后玩家是否变更选择 playerStrategy='change'# playerStrategy='change' or playerStrategy='keep' # special就是三门问题中裁判的策略，会帮玩家排除掉错误的门 # random是随机排除一个 gameStrategy='special'# gameStrategy='random' or gameStrategy='special' playCounts=10000 for i in range(playCounts): res=playThreeDoorsGame(gameStrategy,playerStrategy) countMap[res]+=1 print(countMap)
看到张大仙使用高深的三门理论玩游戏，顿时心生敬佩，打算看看这个三门问题到底怎么回事。先是拿扑克进行了大量的10组实验，迷迷糊糊中好像发现了事情的神奇。于是又编写了模拟程序，看看事实的真相究竟如何。结果证明张大仙只是运气好，这根本不是三门问题。哎，真相就是这么的乏味。。。。。。
