Python 体育竞技分析

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自顶向下

代码:

import random
def printIntro():
    print("这个程序模拟量个选手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)")

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 printSummary(winsA, winsB):
    n = winsA + winsB
    print("竞技分析开始, 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 gameOver(a, b):
    return a == 15 or b == 15
    
def simOneGame(probA, probB):
    scoreA, scoreB = 0, 0
    serving = "A"
    while not gameOver(scoreA, scoreB):
        if serving == "A":
            if random.random() < probA:
                scoreA += 1
            else:
                serving = "B"
        else:
            if random.random() < probB:
                scoreB += 1
            else:
                serving = "A"
    return scoreA, scoreB

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 main():
    printIntro()
    probA, probB, n = getInputs()
    winsA, winsB = simNGames(n, probA, probB)
    printSummary(winsA, winsB)
main()

 输出:

这个程序模拟量个选手A和B的某种竞技比赛
程序运行需要A和B的能力值(以0到1之间的小数表示)
请输入选手A的能力值(0-1): 0.45
请输入选手B的能力值(0-1): 0.50
模拟比赛的场次: 1000
竞技分析开始, 共模拟1000场比赛
选手A获胜370场比赛, 占比37.0%
选手B获胜630场比赛, 占比63.0%

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转载自blog.csdn.net/qq_40390825/article/details/82467008