Return a new graph that contains only the edges that exist in both G and H.
The node sets of H and G must be the same.
Parameters: G,H (graph) – A NetworkX graph. G and H must have the same node sets. Returns: GH Return type: A new graph with the same type as G.
Attributes from the graph, nodes, and edges are not copied to the new graph. If you want a new graph of the intersection of G and H with the attributes (including edge data) from G use remove_nodes_from() as follows
>>> G=nx.path_graph(3) >>> H=nx.path_graph(5) >>> R=G.copy() >>> R.remove_nodes_from(n for n in G if n not in H)