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Note

This documents the development version of NetworkX. Documentation for the current release can be found here.

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networkx.Graph.__len__

Graph.__len__()

Returns the number of nodes in the graph. Use: ‘len(G)’.

Returns

nnodes – The number of nodes in the graph.

Return type

int

See also

number_of_nodes(), order()

Examples

>>> G = nx.path_graph(4)  # or DiGraph, MultiGraph, MultiDiGraph, etc
>>> len(G)
4