import random
def inputs():
a = input("what is the probability that player A will win a serve? ")
b = input("what is the probability that player B will win a serve? ")
c = input("number of games? ")
return a, b, c
def simulation(n, prob_a, prob_b):
wins_a = wins_b = 0
for i in range(n):
score_a, score_b = one_game(prob_a, prob_b)
if score_a > score_b:
wins_a = wins_a + 1
else:
wins_b = wins_b + 1
return wins_a, wins_b
def one_game(prob_a, prob_b):
serving = 'A'
score_a = 0
score_b = 0
while not end_game(score_a, score_b):
while random.random() < prob_a:
score_a = score_a + 1
while random.random() < prob_b:
score_b = score_b + 1
return score_a, score_b
def end_game(a, b):
return a >= 21 or b >= 21
