程序执行流程：猜数字游戏；库的使用：turtle

myNum = 7
print(‘猜数字游戏\n‘)

while True:
    guess = int(input(‘请猜一个数：‘))
    if guess > myNum:
        print(‘猜大的‘)
    elif guess < myNum:
        print(‘猜小了‘)
    else:
        print(‘恭喜你，猜对了！‘)
        break

>>> import turtle
>>> turtle.circle(10)
>>> turtle.circle(20)
>>> turtle.circle(30)
>>> turtle.circle(40)
>>> turtle.circle(50)
>>> 

原文地址：https://www.cnblogs.com/liaojingyi/p/8968741.html