Python 练习实例57
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__':
fromTkinterimport *
canvas = Canvas(width=300, height=300, bg='green')canvas.pack(expand=YES, fill=BOTH)x0 = 263y0 = 263y1 = 275x1 = 275foriinrange(19):
canvas.create_line(x0,y0,x0,y1, width=1, fill='red')x0 = x0 - 5y0 = y0 - 5x1 = x1 + 5y1 = y1 + 5x0 = 263y1 = 275y0 = 263foriinrange(21):
canvas.create_line(x0,y0,x0,y1,fill = 'red')x0 += 5y0 += 5y1 += 5mainloop()
以上实例输出结果为：
