使用python画五星红旗

from operator import pos
from turtle import *

def mygoto(x, y):
        up()
        goto(x, y)
        down()

def draw(r):
    begin_fill()
    for i in range(5):
        forward(r)
        right(144)
    end_fill()

setup(700,500)
bgcolor('red')
color('yellow')
speed(6)
fillcolor('yellow')
hideturtle()

mygoto(-300,150)
draw(100)
mygoto(-190,220)
draw(45)
mygoto(-140,150)
draw(45)
mygoto(-140,90)
draw(45)
mygoto(-190,40)
draw(45)
done()