code: def test_voterank_centrality_1(self):
      G = nx.Graph()
      G.add_edges_from(
          [
              (7, 8),
              (7, 5),
              (7, 9),
              (5, 0),
              (0, 1),
              (0, 2),
              (0, 3),
              (0, 4),
              (1, 6),
              (2, 6),
              (3, 6),
              (4, 6),
          ]
      )
      assert [0, 7, 6] == nx.voterank(G)
  
file_path: networkx/networkx/algorithms/centrality/tests/test_voterank.py
imports: import networkx
label_desc: Use image node_id 1 for calling the TestVoteRankCentrality obj's underlying member method code with example usage: obj.test_voterank_centrality_1() without return types