(self, ship_id)
return self._ships.get(ship_id)
:param int ship_id: The ship id of the desired ship.
        :return: The ship designated by ship_id belonging to this user.
        :rtype: entity.Ship
:param int ship_id: The ship id of the desired ship.
        :return: The ship designated by ship_id belonging to this user.
        :rtype: entity.Ship
: param int ship_id : The ship id of the desired ship . : return : The ship designated by ship_id belonging to this user . : rtype : entity . Ship
def get_ship(self, ship_id):
        """
        :param int ship_id: The ship id of the desired ship.
        :return: The ship designated by ship_id belonging to this user.
        :rtype: entity.Ship
        """
        return self._ships.get(ship_id)
def get_ship ( self , ship_id ) : return self . _ships . get ( ship_id )