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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.MultiGraph.adj

property MultiGraph.adj

Graph adjacency object holding the neighbors of each node.

This object is a read-only dict-like structure with node keys and neighbor-dict values. The neighbor-dict is keyed by neighbor to the edgekey-data-dict. So G.adj[3][2][0]['color'] = 'blue' sets the color of the edge (3, 2, 0) to "blue".

Iterating over G.adj behaves like a dict. Useful idioms include for nbr, nbrdict in G.adj[n].items():.

The neighbor information is also provided by subscripting the graph. So for nbr, foovalue in G[node].data('foo', default=1): works.

For directed graphs, G.adj holds outgoing (successor) info.