import random
def printIntro():
print("這個程式模擬量個選手A和B的某種競技比賽")
print("程式執行需要A和B的能力值（以0到1之間的小數表示）")

def getInputs():
a = eval(input("請輸入選手A的能力值（0-1）: "))
b = eval(input("請輸入選手B的能力值（0-1）: "))
n = eval(input("模擬比賽的場次: "))
return a, b, n

def printSummary(winsA, winsB):
n = winsA + winsB
print("競技分析開始， 共模擬{}場比賽".format(n))
print("選手A獲勝{}場比賽， 佔比{:0.1%}".format(winsA, winsA/n))
print("選手B獲勝{}場比賽， 佔比{: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()