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#!/usr/bin/python
# -*- coding: UTF-8 -*-
"""
题目:用circle画圆形
"""
if __name__ == '__main__':
from Tkinter import *
# Canvas:画布
"""
w = Canvas ( master, option=value, ... )
master: 这代表了父窗口.
options: 下面是这个小工具最常用的选项列表。这些选项
可以作为键 - 值对以逗号分隔.
"""
canvas = Canvas(width=800,height=600,bg='yellow')
# 添加到主窗口
canvas.pack(expand=YES,fill=BOTH)
k = 1
j = 1
for i in range(0,26):
# 在给定的坐标创建一个圆或椭圆。它的坐标两双。
# 为椭圆的边界矩形左上角和底部右下角.
canvas.create_oval(310-k,250-k,310+k,250+k,width=1)
k += j
j += 0.3
mainloop()
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