Warning

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

networkx.DiGraph.number_of_nodes

DiGraph.number_of_nodes()

Returns 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.path_graph(3)  # or DiGraph, MultiGraph, MultiDiGraph, etc
>>> len(G)
3