Python 练习实例57

Python 编程100例Python 编程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 编程100例Python 编程100例

Python 练习实例58 Python 100例 题目:画图,学用rectangle画方形。 程序分析: rectangle(int left, int top, int right, int bottom) 参数说明:(left ,top )为矩形的左上坐标,(right,bottom)为矩形的右下坐标,两者可确定一个矩形的大小 实例(Python 2.0+) [mycode3 type='pyth..