Python Graphics star design

 

import turtle

a=turtle.Turtle()

a.getscreen().bgcolor("black")

a.penup()

a.goto(-200,100)

a.pendown()

a.color("aqua",)

a.speed(25)

def star(turtle,size):

    if size<=10:

     return

    else:

     turtle.begin_fill()

     for i in range (5):

        turtle.pensize(2)

        turtle.forward(size)

        star(turtle,size/3)

        turtle.left(216)

        turtle.end_fill()

star(a,360)

turtle.done()