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题目：画图，学用circle画圆形。 程序分析：无。 程序源代码： - #!/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()
以上实例输出结果为：
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