Python编程之画圆

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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：