def __vertical_lines__(self):
    for i in range(0, self.canvas_height, self.grid_space):
        self.canvas.create_line(i, 0, i, self.canvas_height, fill='thistle1')
def __vertical_lines__(self):
    for i in range(0, self.canvas_height, self.grid_space):
        self.canvas.create_line(i, 0, i, self.canvas_height, fill='thistle1')