groups = kwds[&#34;mark_groups&#34;]

        # Deferred import to avoid a cycle in the import graph
        from igraph.clustering import VertexClustering, VertexCover

        # Figure out what to do with mark_groups in order to be able to
        # iterate over it and get memberlist-color pairs
        if isinstance(mark_groups, dict):
            # Dictionary mapping vertex indices or tuples of vertex
            # indices to colors
            group_iter = iter(mark_groups.items())
        elif isinsta