How to use the gfootball.env.football_action_set.action_bottom function in gfootball

"""Actions corresponding to the field rotated by 180 degrees."""
  action = football_action_set.named_action_from_action_set(
      football_action_set.get_action_set(config), action)
  if action == football_action_set.action_left:
    return football_action_set.action_right
  if action == football_action_set.action_top_left:
    return football_action_set.action_bottom_right
  if action == football_action_set.action_top:
    return football_action_set.action_bottom
  if action == football_action_set.action_top_right:
    return football_action_set.action_bottom_left
  if action == football_action_set.action_right:
    return football_action_set.action_left
  if action == football_action_set.action_bottom_right:
    return football_action_set.action_top_left
  if action == football_action_set.action_bottom:
    return football_action_set.action_top
  if action == football_action_set.action_bottom_left:
    return football_action_set.action_top_right
  return action

def flip_single_action(action, config):
  """Actions corresponding to the field rotated by 180 degrees."""
  action = football_action_set.named_action_from_action_set(
      football_action_set.get_action_set(config), action)
  if action == football_action_set.action_left:
    return football_action_set.action_right
  if action == football_action_set.action_top_left:
    return football_action_set.action_bottom_right
  if action == football_action_set.action_top:
    return football_action_set.action_bottom
  if action == football_action_set.action_top_right:
    return football_action_set.action_bottom_left
  if action == football_action_set.action_right:
    return football_action_set.action_left
  if action == football_action_set.action_bottom_right:
    return football_action_set.action_top_left
  if action == football_action_set.action_bottom:
    return football_action_set.action_top
  if action == football_action_set.action_bottom_left:
    return football_action_set.action_top_right
  return action

state: Current state of the action being checked
    """
    self._current_direction = football_action_set.action_idle
    self._check_direction(football_action_set.action_top_left, top and
                          left)
    self._check_direction(football_action_set.action_top_right, top and
                          right)
    self._check_direction(football_action_set.action_bottom_left,
                          bottom and left)
    self._check_direction(football_action_set.action_bottom_right,
                          bottom and right)
    if self._current_direction == football_action_set.action_idle:
      self._check_direction(football_action_set.action_right, right)
      self._check_direction(football_action_set.action_left, left)
      self._check_direction(football_action_set.action_top, top)
      self._check_direction(football_action_set.action_bottom, bottom)
    if self._current_direction != self._last_direction:
      self._last_direction = self._current_direction
      if self._current_direction == football_action_set.action_idle:
        return football_action_set.action_release_direction
      else:
        return self._current_direction
    self._last_action = football_action_set.action_idle
    self._check_action(football_action_set.action_long_pass,
                       active_actions)
    self._check_action(football_action_set.action_high_pass,
                       active_actions)
    self._check_action(football_action_set.action_short_pass,
                       active_actions)
    self._check_action(football_action_set.action_shot, active_actions)
    self._check_action(football_action_set.action_keeper_rush,
                       active_actions)

def _direction_action(self, delta):
    """For required movement direction vector returns appropriate action."""
    all_directions = [
        football_action_set.action_top,
        football_action_set.action_top_left,
        football_action_set.action_left,
        football_action_set.action_bottom_left,
        football_action_set.action_bottom,
        football_action_set.action_bottom_right,
        football_action_set.action_right,
        football_action_set.action_top_right
    ]
    all_directions_vec = [(0, -1), (-1, -1), (-1, 0), (-1, 1), (0, 1), (1, 1),
                          (1, 0), (1, -1)]
    all_directions_vec = [
        np.array(v) / np.linalg.norm(np.array(v)) for v in all_directions_vec
    ]
    best_direction = np.argmax([np.dot(delta, v) for v in all_directions_vec])
    return all_directions[best_direction]