题目：画图，学用circle画圆形。
程序分析：无。
程序源代码：
实例(Python 2.0+)
#!/usr/bin/python# -*- coding: UTF-8 -*-if__name__ == '__main__': fromTkinterimport * canvas = Canvas(width=800, height=600, bg='yellow') canvas.pack(expand=YES, fill=BOTH) k = 1 j = 1 foriinrange(0,26): canvas.create_oval(310 - k,250 - k,310 + k,250 + k, width=1) k += j j += 0.3 mainloop()
