# python # # 分形 # 唱片

# coding: utf-8

import turtle
import random

def draw_disk(pen, start_radius, end_radius, step, angle):
   pen.ht()    
    for r in range(start_radius, end_radius, step):
       rgb =tuple(color for color in (random.random(), random.random(), random.random()))
       pen.color(rgb)
       pen.circle(r, angle)
    
def main():
   my_pen = turtle.Turtle()   draw_disk(my_pen, 2, 300, 2, 40)
   my_pen.getscreen().getcanvas().postscript(file="disk.eps")
   my_pen.clear()

if __name__ == "__main__":
   main()
    pass