五角星

import turtle

turtle.pensize(0.1)
turtle.pencolor("black")
turtle.fillcolor("red")

turtle.begin_fill()
for i in range(5):
    turtle.forward(200)
    turtle.right(180-36)
    turtle.forward(200)
    turtle.left(-144)
turtle.end_fill()

turtle.hideturtle()   #隐藏画笔
turtle.done()         #结束绘制