from random import random #引入随机库 #提示用户程序的功能和要求 def printIntro(): print("这个程序模拟两个选手A和B的某种竞技比赛") 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)") #获得数据 def getInput(): 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("请输入模拟比赛场次:")) return a,b,n #进行模拟(数据处理) def printSummary(winsA,winsB): n=winsA+winsB print("竞技分析开始,共模拟{}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 gameOver(a,b): return a==15 or b==15 def simOneGames(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 simNGames(n,probA,porbB): winsA,winsB=0,0 for i in range(n): scoreA,scoreB=simOneGames(probA,porbB) if scoreA>scoreB: winsA+=1 else: winsB+=1 return winsA,winsB def main(): printIntro() probA,porbB,n=getInput() winsA,winsB=simNGames(n,probA,porbB) printSummary(winsA,winsB) main()