#请在这里编写代码
from  turtle import *
import time

tracer(0)
screen = Screen()  # 创建窗口
screen.bgpic("sun.png")  # 设置背景
screen.setup(1000, 800)  # 设置窗口大小


register_shape("水星.gif")
mercury = Turtle()
mercury.shape("水星.gif")
mercury.penup()

register_shape("金星.gif")
gold = Turtle()
gold.shape("金星.gif")
gold.penup()

register_shape("地球.gif")
earth =Turtle()
earth.shape("地球.gif")
earth.penup()

register_shape("火星.gif")
mars = Turtle()
mars.shape("火星.gif")
mars.penup()
mars.goto(0,-180)

register_shape("木星.gif")
mu = Turtle()
mu.shape("木星.gif")
mu.penup()
mu.goto(0,-220)

register_shape("土星.gif")
tu = Turtle()
tu.shape("土星.gif")
tu.penup()
tu.goto(0,-270)

register_shape("天王星.gif")
tian = Turtle()
tian.shape("天王星.gif")
tian.penup()
tian.goto(0,-320)

register_shape("海王星.gif")
hai = Turtle()
hai.shape("海王星.gif")
hai.penup()
hai.goto(0,-380)


mercury.goto(0, -70)
gold.goto(0, -100)
earth.goto(0, -140)

while True:
    mercury.circle(70, 360 / 88)
    gold.circle(100, 360 / 365)
    earth.circle(140, 360 / 224)
    mars.circle(180, 360 / 450)
    mu.circle(220, 360 / 500)
    tu.circle(270, 360 / 600)
    tian.circle(320, 360 / 700)
    hai.circle(380, 360 / 800)
    update()  # 刷新屏幕
    time.sleep(0.01)