python turtle库画出同心圆，五角星

同心圆

import turtle
turtle.pensize(2)
turtle.circle(10)
turtle.circle(40)
turtle.circle(80)
turtle.circle(160) 

五角红星

from turtle import *
color('red','red')
begin_fill()
for i in range(5):
    fd(200)
    rt(144)
end_fill()
done()