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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 unlink(self, node, hyperedge):
 """ Unlink given node and hyperedge. @type node: node @param node: Node. @type hyperedge: hyperedge @param hyperedge: Hyperedge. """

        self.node_links[node].remove(hyperedge)
        self.edge_links[hyperedge].remove(node)
        self.graph.del_edge(((node,'n'), (hyperedge,'h')))