Python 练习实例57

Python 100例 Python 100例

题目:画图,学用line画直线。

程序分析:无。

实例

#!/usr/bin/python
# -*- coding: UTF-8 -*-
 
if __name__ == '__main__':
 from Tkinter import *
 
 canvas = Canvas(width=300, height=300, bg='green') 
 canvas.pack(expand=YES, fill=BOTH) 
 x0 = 263
 y0 = 263
 y1 = 275
 x1 = 275
 for i in range(19):
 canvas.create_line(x0,y0,x0,y1, width=1, fill='red')
 x0 = x0 - 5
 y0 = y0 - 5
 x1 = x1 + 5
 y1 = y1 + 5
 
 x0 = 263
 y1 = 275
 y0 = 263
 for i in range(21):
 canvas.create_line(x0,y0,x0,y1,fill = 'red')
 x0 += 5
 y0 += 5
 y1 += 5
 
 mainloop()

以上实例输出结果为:

Python 100例 Python 100例

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