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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 inspect_node(self, index):
 """Inspect the graph node at the given index."""


        if index >= len(self.graph.nodes):
            raise RPCErrorCode(6)  #FIXME: use actual error code here for UNKNOWN_ERROR status

        return create_binary_descriptor(str(self.graph.nodes[index]))