code: def permute_graph(G, order):
    '''Reorder the graph's vertices, returning a copy of the input graph.
    order : integer array-like, some permutation of range(G.num_vertices()).
    '''
    adj = G.matrix('dense')
    adj = adj[np.ix_(order, order)]
    return Graph.from_adj_matrix(adjf permute_graph(G, order):
    '''Reorder the graph's vertices, returning a copy of the input graph.
    order : integer array-like, some permutation of range(G.num_vertices()).
    '''
    adj = G.matrix('dense')
    adj = adj[np.ix_(order, order)]
    return Graph.from_adj_matrix(adj)
docs: Reorder the graph's vertices, returning a copy of the input graph.
    order : integer array-like, some permutation of range(G.num_vertices()).