羽毛球比赛

from random import random
def printIntro():
    print("学号09，题目为模拟羽毛球")
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）："))
    return a, b
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 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 gameOver(a, b):
    if (a >= 20 or b >= 20):
        if (abs(a - b) == 2 and a <= 29 and b <= 29):
            return True
        else:
            return a == 30 or b == 30
    else:
        return False
def main():
    printIntro()
    probA, probB = getInputs()
    winsA, winsB = simNgames(3, probA, probB)
    print("选手A获胜{}场比赛，赢比赛的概率为{:0.1%}".format(winsA, winsA / 3))
    print("选手B获胜{}场比赛，赢比赛的概率为{:0.1%}".format(winsB, winsB / 3))
main()