实例:绘制蟒蛇
# PythonDraw. py import turtle turtle. setup(650,350,200,200) turtle. penup() turtle. fd(-250) turtle. pendown() turtle. pensize(25) turtle. pencolor("purple") turtle. seth(-40) for i in range(4): turtle. circle(40,80) turtle. circle(-40,80) turtle. circle(40,80/2) turtle. fd(40) turtle. circle(16,180) turtle. fd(40*2/3) turtle. done()