Python编程练习：使用 turtle 库完成叠边形的绘制

绘制效果：

源代码：

# 叠边形
import turtle
turtle.setup(650,350,200,200)
turtle.penup()
turtle.fd(-100)
turtle.left(-90)
turtle.fd(100)
turtle.right(90)
turtle.pendown()
turtle.pensize(5)
turtle.pencolor("black")
for i in range(9):
    turtle.right(80)
    turtle.fd(150)
turtle.done()