#!/usr/bin/env python
# -*- coding: utf-8 -*-
# @Author  : Peidong
# @Site    : 
# @File    : eg35.py
# @Software: PyCharm
"""
题目：画图，学用circle画圆形
"""
from  Tkinter import *
if __name__=='__main__':
    canvas=Canvas(width=800,heitht=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()