24 lines
587 B
Python
24 lines
587 B
Python
'''
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题目：利用ellipse and rectangle 画图。
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1.程序分析：
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2.程序源代码：
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'''
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if __name__ == '__main__':
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from Tkinter import *
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canvas = Canvas(width = 400,height = 600,bg = 'white')
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left = 20
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right = 50
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top = 50
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num = 15
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for i in range(num):
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canvas.create_oval(250 - right,250 - left,250 + right,250 + left)
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canvas.create_oval(250 - 20,250 - top,250 + 20,250 + top)
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canvas.create_rectangle(20 - 2 * i,20 - 2 * i,10 * (i + 2),10 * ( i + 2))
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right += 5
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left += 5
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top += 10
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canvas.pack()
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mainloop()
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