练习—循环

一、输入姑娘的年龄后，进行以下判断：

1. 如果姑娘小于18岁，打印“不接受未成年”
2. 如果姑娘大于18岁小于25岁，打印“心动表白”
3. 如果姑娘大于25岁小于45岁，打印“阿姨好”
4. 如果姑娘大于45岁，打印“奶奶好”

age = int(input('请输入年龄>>> '))
if age in [1, 17]:
    print('不接受未成年')
elif age in [18, 25]:
    print('心动表白')
elif age in [25, 45]:
    print('阿姨好')
elif age > 45:
    print('奶奶好')
else:
    print('请输入正确数字')

二、预习while循环，打印1-100之间的奇数和

count = 0
a = 1
while a < 100:
    count += a
    a += 2
print(count)

三、预习while循环，猜年龄游戏升级版，有以下三点要求：

age = 18
x = 3

while x > 0:
    guess = input('猜猜我的年龄>>> ').strip()
    if not guess.isdigit():
        print('好好说个数字啦!')
        continue
    guess = int(guess)
    if guess > age:
        if x != 1:
            x -= 1
            print(f'猜大啦！你还有{x}次机会！')
            while True:
                answer = input('想继续玩吗？回复Y可以继续,回复N就直接退出啦！').lower()
                if answer == 'y':
                    break
                elif answer == 'n':
                    print('下次再来玩,再见啦！')
                    x = 0
                    break
                else:
                    print('别乱回复鸭!')
                    print('输入Y或者N就行啦！')
            continue
        print('还是猜大啦！没机会咯！拜拜~~')
        break
    elif guess < age:
        if x != 1:
            x -= 1
            print(f'猜小啦！你还有{x}次机会！')
            while True:
                answer = input('想继续玩吗？回复Y可以继续,回复N就直接退出啦！').lower()
                if answer == 'y':
                    break
                elif answer == 'n':
                    print('下次再来玩哦！再见啦！')
                    x = 0
                    break
                else:
                    print('别乱回复鸭!')
                    print('输入Y或者N就行啦！')
            continue
        print('还是猜小啦！没机会咯！拜拜~')
        break
    else:
        if x == 3:
            print('好厉害啊，一次就猜对啦！')
            break
        elif x == 2:
            print('恭喜你！猜对啦！')
            break
        print('终于猜对啦！')
        break