用python画星空源代码是什么？

from turtle import *from random import random,randintscreen = Screen()width ,height = 800,600screen.setup(width,height)screen.title("模拟3D星空")screen.bgcolor("black")screen.mode("logo")screen.delay(0)#这里要设为0，否则很卡t = Turtle(visible = False,shape='circle')t.pencolor("white")t.fillcolor("white")t.penup()t.setheading(-90)t.goto(width/2,randint(-height/2,height/2))stars = []for i in range(200):    star = t.clone()    s =random() /3    star.shapesize(s,s)    star.speed(int(s*10))    star.setx(width/2 + randint(1,width))    star.sety( randint(-height/2,height/2))    star.showturtle()    stars.append(star)while True:    for star in stars:        star.setx(star.xcor() - 3 * star.speed())    if star.xcor()<p><img src="https://img.php.cn/upload/image/668/614/519/1592464829111414.png" title="1592464829111414.png" alt="76e6462843bab00a3c4f5f4f39b8d59.png"></p><p>推荐教程：《<a href="https://www.php.cn/course/list/30.html" target="_blank">python视频教程</a>》</p><p><span>立即学习</span>“<a href="https://pan.quark.cn/s/00968c3c2c15"   style="max-width:90%" rel="nofollow" target="_blank">Python免费学习笔记（深入）</a>”；</p>