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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 _load_neighbors_from_database(self) -> None:
 """
 Loads the neighbors of the node from the local database.
 """

        self._are_neighbors_loaded = True

        graph: Graph = self._graph
        neighbors: List[DBNode] = graph.database.Node.find_by_name(self.name).neighbors
        nodes: NodeList = graph.nodes

        for db_node in neighbors:
            graph.add_node(db_node.name, db_node.external_id)
            neighbor: Node = nodes.get_node_by_name(db_node.name)
            graph.add_edge(self, neighbor, 1, False)