Python 练习实例57
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 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..