Python8.1 程序设计方法学-优快云博客

该程序通过Python实现模拟两个选手A和B的竞技比赛，用户输入选手的能力值和比赛场次，程序输出比赛结果。它利用随机数生成比赛得分，判断胜负，并统计胜率。

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实例：体育竞技分析

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

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

完整版

# 开发时间：2021/8/29  14:31
from random import random
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）")

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("竞赛分析开始，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() < probA:
                scoreA += 1
            else:
                serving = "B"
        else:
            if 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()