Method clear

networkx/classes/graph.py:1548–1566

Remove all nodes and edges from the graph. This also removes the name, and all graph, node, and edge attributes. Examples -------- >>> G = nx.path_graph(4) # or DiGraph, MultiGraph, MultiDiGraph, etc >>> G.clear() >>> list(G.nodes) []

(self)

        return DegreeView(self)

    def clear(self):
        """Remove all nodes and edges from the graph.

        This also removes the name, and all graph, node, and edge attributes.

        Examples
        --------
        >>> G = nx.path_graph(4)  # or DiGraph, MultiGraph, MultiDiGraph, etc
        >>> G.clear()
        >>> list(G.nodes)
        []
        >>> list(G.edges)
        []

        """
        self._adj.clear()
        self._node.clear()
        self.graph.clear()
        nx._clear_cache(self)

    def clear_edges(self):
        """Remove all edges from the graph without altering nodes.