乒乓球比赛

from random import random
 
 
# 打印程序介绍信息
def printIntro():
    print("这是单人赛模拟程序:")
 
 
# 获得程序运行参数
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
 
 
# 进行N场比赛
def simNGames(n, probA, probB):
    winsA, winsB = 0, 0
    for i in range(n):
        for j in range(7):           # 进行7局4胜的比赛
            scoreA, scoreB = simOneGame(probA, probB)
            if scoreA > scoreB:
                winsA += 1
            else:
                winsB += 1
    return winsA, winsB
 
 
# 正常比赛结束
def gameOver(a, b):
    return a == 11 or b == 11
 
 
def gameOver2(a, b):              # 进行抢12比赛结束
    return a == 12 or b == 12
 
 
# 进行一场比赛
def simOneGame(probA, probB):
    scoreA, scoreB = 0, 0             # 初始化AB的得分
    serving = "A"
    while not gameOver(scoreA, scoreB):     # 用while循环来执行比赛
        if scoreA == 10 and scoreB == 10:
            return(simtwoGame2(probA,probB))
        if serving == "A":
            if random() < probA:            # 用随机数生成胜负
                scoreA += 1
            else:
                serving = "B"
        else:
            if random() < probB:
                scoreB += 1
            else:
                serving="A"
    return scoreA, scoreB
 
 
def simtwoGame2(probA,probB):
    scoreA, scoreB=10, 10
    serving = "A"                 # 假如先让选手A发球
    while not gameOver2(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，共模拟{}场比赛".format(n))
    print("队伍A获胜{}场比赛，占比{:0.1%}".format(winsA, winsA/n))
    print("队伍B获胜{}场比赛，占比{:0.1%}".format(winsB, winsB/n))