先上成品图！！！！

import turtle
import random
# 星星个数
n = 5099

# rgb小数转换为
turtle.colormode(255)
#
def stars(x, y, size, color):
    turtle.penup()
    turtle.goto(x, y)
    turtle.pendown()
    turtle.color(color, color)
    turtle.begin_fill()
    for i in range(5):
        turtle.fd(size)
        turtle.right(144)
    turtle.end_fill()


# start
for i in range(n):
    x = random.randint(-500, 500)
    y = random.randint(-500, 500)
    size = random.randint(1, 50)
    r = random.randint(10, 255)
    g = random.randint(10, 255)
    b = random.randint(10, 255)
    stars(x=x, y=y, size=size, color=(r,g,b))
turtle.done()