This documents an unmaintained version of NetworkX. Please upgrade to a maintained version and see the current NetworkX documentation.
Return a new graph that contains only the edges that exist in all graphs.
All supplied graphs must have the same node set.
graphs_list : list
List of NetworkX graphs
R : A new graph with the same type as the first graph in list
Attributes from the graph, nodes, and edges are not copied to the new graph.