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__len__

number_of_nodes

MultiGraph.number_of_nodes()

Return the number of nodes in the graph.

Returns :

nnodes : int

The number of nodes in the graph.

See also

order, __len__

Examples

>>> G = nx.Graph()   # or DiGraph, MultiGraph, MultiDiGraph, etc
>>> G.add_path([0,1,2])
>>> len(G)
3