number_of_nodes

Graph.number_of_nodes()

Return the number of nodes in the graph.

Returns:nnodes – The number of nodes in the graph.
Return type:int

See also

order(), __len__()

Examples

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