程序执行流程/布尔类型与布尔：运算猜数字游戏；库的使用：turtle

myNumber = 18

while True:
    guess = int(input('请输入一个数字：'))
    if guess > myNumber:
        print('输入的数字过大：')
    elif guess < myNumber:
        print('输入的数字过小：')
    else:
        print('输入的数字正确')
        break

>>> import turtle
>>> turtle.circle
<function circle at 0x02D40B70>
>>> turtle.circle(120)
>>> turtle.circle(130)
>>> turtle.circle(90)
>>> turtle.circle(100,steps=5)

>>> import turtle
>>> turtle.circle
<function circle at 0x02D60B70>
>>> turtle.circle(100)
>>> turtle.circle(90)
>>> turtle.circle(80)
>>> turtle.circle(70)
>>> turtle.circle(60)
>>> turtle.circle(50)

>>> import turtle
>>> turtle.circle(50)
>>> turtle.up()
>>> turtle.goto(0,-50)
>>> turtle.down()
>>> turtle.circle(100)

>>>