python彩色蟒蛇绘制

import turtle
colors=['pink','purple','orange','green']
turtle.setup(650,350,200,200)#设置画笔起点位置
turtle.penup()
turtle.fd(-250)# 沿X轴负方向前进250像素
turtle.pendown()
turtle.pensize(25)
turtle.seth(-40)#设置画笔从-40度开始画
for i ,color in zip(range(4),colors):#分别移动
    turtle.pencolor(color)
    turtle.circle(40,80)
    turtle.circle(-40,80)
turtle.pencolor("red")
turtle.circle(40,80/2)
turtle.fd(40)
turtle.circle(16,180)
turtle.fd(40*2/3)