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