def METHOD_NAME(self):
    """
    Update the color of all the sprites to match
    the color/stats in the grid.
    We look at the values in each cell.
    If the cell contains 0 we assign a white color.
    If the cell contains 1 we assign a green color.
    """
    for row in range(ROW_COUNT):
        for column in range(COLUMN_COUNT):
            # We need to convert our two dimensional grid to our
            # one-dimensional sprite list. For example a 10x10 grid might have
            # row 2, column 8 mapped to location 28. (Zero-basing throws things
            # off, but you get the idea.)
            # ALTERNATIVELY you could set self.grid_sprite_list[pos].texture
            # to different textures to change the image instead of the color.
            pos = row * COLUMN_COUNT + column
            if self.grid[row][column] == 0:
                self.grid_sprite_list[pos].color = arcade.color.WHITE
            else:
                self.grid_sprite_list[pos].color = arcade.color.GREEN