code: def getPortSideView(self, side) -> List["LPort"]:
          if side == PortSide.WEST:
              return self.west
          elif side == PortSide.EAST:
              return self.east
          elif side == PortSide.NORTH:
              return self.north
          elif side == PortSide.SOUTH:
              return self.south
          else:
              raise ValueError(side)