Warning

This documents an unmaintained version of NetworkX. Please upgrade to a maintained version and see the current NetworkX documentation.

number_of_nodes

MultiGraph.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