(self, node)
Remove a node from the graph.
        
        @type  node: node
        @param node: Node identifier.
Remove a node from the graph.
Remove a node from the graph .
def del_node(self, node):
        """
        Remove a node from the graph.
        
        @type  node: node
        @param node: Node identifier.
        """
        for each in list(self.neighbors(node)):
            if (each != node):
                self.del_edge((each, node))
        del(self.node_neighbors[node])
        del(self.node_attr[node])
def del_node ( self , node ) : for each in list ( self . neighbors ( node ) ) : if ( each != node ) : self . del_edge ( ( each , node ) ) del ( self . node_neighbors [ node ] ) del ( self . node_attr [ node ] )