Python编程之画圆

问题描述：画图，学会使用circle画圆形。　　

源代码：

#!/usr/bin/python

# -*- coding: UTF-8 -*-

if __name__ == '__main__':

from Tkinter import *

canvas = Canvas(width=800, height=600, bg='yellow')

canvas.pack(expand=YES, fill=BOTH)

k = 1

j = 1

for i in range(0,26):

canvas.create_oval(310 - k,250 - k,310 + k,250 + k, width=1)

k += j

j += 0.3

mainloop()

输出结果如下：