GESP 1-4级 -- GESP 5-8级 -- CSP-J/S --

A49816. $画椭圆ellipse$

填空题中等

知识点

椭圆绘制图形绘制坐标变换

题目描述

画椭圆ellipse

参考答案

if __name__ == '__main__':
    from Tkinter import *
    x = 360
    y = 160
    top = y - 30
    bottom = y - 30

    canvas = Canvas(width = 400,height = 600,bg = 'white')
    for i in range(20):
        canvas.create_oval(250 - top,250 - bottom,250 + top,250 + bottom)
        top -= 5
        bottom += 5
    canvas.pack()
    mainloop()

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