python实现画五角星和螺旋线的示例

如下所示：

# -*- coding:UTF-8 -*-
__author__ = "zhangguodong"
__time__ = "2017.11.16"
 
import turtle
 
turtle.title("张国栋画五角星")
turtle.setup(500,300,0,0)
turtle.fillcolor("red")
turtle.begin_fill()
 
while True:
  turtle.forward(220)
  turtle.right(144)
  if abs(turtle.pos()) < 1:
      break
 
turtle.end_fill()
turtle.done()

# -*- coding:UTF-8 -*-
__author__ = "zhangguodong"
__time__ = "2017.11.17"
 
import turtle
 
turtle.title("张国栋绘制螺旋线")
turtle.setup(400,400,0,0)
turtle.speed(10)  ###设置绘制时的速度
turtle.pensize(2)  ###设置画笔尺寸
 
for x in range(100):
  turtle.forward(2*x)
  turtle.left(90)
 
turtle.done()

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