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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 get_all_edge_nodes(self):
 """Return a list of all GO IDs that are connected to edges."""

        edge_nodes = set(e for es in self.edges for e in es)
        for edges in self.edges_rel.values():
            rel_nodes = set(e for es in edges for e in es)
            edge_nodes.update(rel_nodes)
        return edge_nodes