python练手_58-画矩形

# -*- coding:utf-8 -*-
# @Author: CH
"""
@project: python study
@time:2019/1/7-23:52
@file_name:【程序58】画矩形.py
@IDE:PyCharm 
@else: DO NOT STOP STUDYING!!!
"""
# 题目 画图，学用rectangle画方形。
#
# 程序分析 无
if __name__ == '__main__':
    from tkinter import *

    root = Tk()
    root.title('Canvas')
    canvas = Canvas(root, width=400, height=400, bg='yellow')
    x0 = 263
    y0 = 263
    y1 = 275
    x1 = 275
    for i in range(19):
        canvas.create_rectangle(x0, y0, x1, y1)
        x0 -= 5
        y0 -= 5
        x1 += 5
        y1 += 5

    canvas.pack()
    root.mainloop()