体育竞技分析
# 选手发球同时赢得比赛才得一分，发球但输掉比赛则换对手发球# 先获得15分的选手获胜
import random as rd
def printInfo():
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("模拟比赛的次数："))
return a, b, n
def gameOver(scoreA, scoreB):
return scoreA == 15 or scoreB == 15
def simOnegame(probA, probB):
scoreA, scoreB = 0, 0
serving = "A"
while not gameOver(scoreA, scoreB):
if serving == "A":
if rd.random() < probA:
scoreA += 1
else:
serving = "B"
else:
if rd.random() < probB:
scoreB += 1
else:
serving = "A"
return scoreA, scoreB
def simNgames(n, probA, probB):
winA, winB = 0, 0
for i in range(n):
scoreA, scoreB = simOnegame(probA, probB)
if scoreA > scoreB:
winA += 1
else:
winB += 1
return winA, winB
def printSummary(winA, winB):
n = winA + winB
print("竞技分析开始，共模拟%d场比赛" % n)
print("选手A获胜%d场比赛，占比%.3f" % (winA, winA / n))
print("选手B获胜%d场比赛，占比%.3f" % (winB, winB / n))
def main():
printInfo()
probA, probB, n = getInputs()
winA, winB = simNgames(n, probA, probB)
printSummary(winA, winB)
main()
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