Python Practice Example 56

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Question:Draw a figure, learn to draw circles using the circle function.

Program analysis:None.

Program source code:

Example (Python 2.0+)

#!/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()

The output of the above example is:

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