from random import random def printInfo(): print("这个程序模拟两个选手A和B的乒乓比赛") print("程序运行需要A和B的能力值(以0到1之间的小数表示)") def getInputs(): a = eval(input("请输入选手A的能力值(0-1): ")) b = eval(input("请输入选手B的能力值(0-1): ")) n = eval(input("模拟比赛的场次: ")) return a, b, n def simNGames(n, probA, probB): winsA, winsB = 0, 0 for i in range(n): scoreA, scoreB = simOneGame(probA, probB) if scoreA > scoreB: winsA += 1 else: winsB += 1 return winsA, winsB def gameOver(a,b): if a>=10 and b>=10: if abs(a-b)==2: return 1 elif a<10 and b<10: if a==11 or b==11: return 1 else: return 0 def simOneGame(probA,probB): scoreA,scoreB=0,0 serving="A" while not gameOver(scoreA,scoreB): if serving=="A": if random()<probA: scoreA+=1 else: serving="B" else: if random()<probB: scoreB+=1 else: serving="A" return scoreA,scoreB def printSummary(winsA,winsB): n=winsA+winsB print("竞技分析开始,一共模拟{}场比赛".format(n)) print("选手A获胜{}场比赛,占比{:0.1%}".format(winsA,winsA/n)) print("选手B获胜{}场比赛,占比{:0.1%}".format(winsB,winsB/n)) def main(): printInfo() probA,probB,n=getInputs() winsA,winsB=simNGames(n,probA,probB) printSummary(winsA,winsB) main() python3: input("please input any key to exit!")