def get_region(self, move_x, move_y):
        """Get region around a location."""
        top_left = (max(move_y-1, 0), max(move_x-1, 0))
        bottom_right = (min(move_y+1, self.board_height-1),
                        min(move_x+1, self.board_width-1))
        region_sum = self.mine_map[top_left[0]:bottom_right[0]+1,
                                   top_left[1]:bottom_right[1]+1].sum()

        return top_left, bottom_right, region_sum
Get region around a location.