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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def add_tile(self, address, tile):
 """Add a tile to handle all RPCs at a given address. Args: address (int):
 The address of the tile tile (RPCDispatcher):
 A tile object that inherits from RPCDispatcher """


        if address in self._tiles:
            raise ArgumentError("Tried to add two tiles at the same address", address=address)

        self._tiles[address] = tile