code: def make_grid_texture(num_h_lines=10, num_v_lines=10, resolution=50):
      
      x_h, y_h = make_lines_texture(num_h_lines, resolution)
      y_v, x_v = make_lines_texture(num_v_lines, resolution)
      return np.concatenate([x_h, x_v]), np.concatenate([y_h, y_v])
docs: Makes a texture consisting of a grid of vertical and horizontal lines.
  
      Args:
          num_h_lines (int): the number of horizontal lines to draw
          num_v_lines (int): the number of vertical lines to draw
          resolution (int): the number of midpoints to draw on each line
  
      Returns:
          A texture.