#请在这里编写代码
import turtle
import time

turtle.tracer(0)
screen = turtle.Screen()  # 创建窗口
screen.bgpic("playground.png")  # 设置背景
screen.setup(800, 800)  # 设置窗口大小


turtle.register_shape("rabbit.gif")
t=turtle.Pen()
rabbit = turtle.Turtle()
rabbit.shape("rabbit.gif")
rabbit.penup()
rabbit.goto(0, -200)
t.penup()
t.color("green")
t.goto(0,-250)
t.turtlesize(3)
t.shape("turtle")

while True:
    rabbit.circle(200, 3)
    t.circle(250, 1)


    turtle.update()  # 刷新屏幕
    time.sleep(0.01)