import random


random_number = random.randint(1, 99)
start_number, end_number = 1, 99

while True:
number = int(input('请输入一个%d到%d的整数:' % (start_number, end_number)))
if random_number == number:
print('恭喜您猜对了')
break
elif start_number < number < random_number:
start_number = number
elif random_number < number < end_number:
end_number = number