六角形的绘制。利用turtle库绘制一个六角形。

# 程序练习题2.7
import turtle
turtle.setup(650,350,200,200)
turtle.pensize(15)
turtle.pencolor("blue")
turtle.penup()
turtle.fd(-100)
turtle.pendown()
for i in [270,210,150,90,30,-30]:
     turtle.seth(i)
     turtle.fd(60)
     turtle.seth(i-120)
     turtle.fd(60)
     turtle.seth(i-240)
     turtle.fd(120)