Note

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

# networkx.Graph.number_of_nodes¶

Graph.number_of_nodes()[source]

Returns the number of nodes in the graph.

Returns

nnodes – The number of nodes in the graph.

Return type

int

>>> G = nx.path_graph(3)  # or DiGraph, MultiGraph, MultiDiGraph, etc