code: def test_k5(self):
      G = nx.complete_graph(5, create_using=nx.DiGraph())
      assert list(nx.clustering(G).values()) == [1, 1, 1, 1, 1]
      assert nx.average_clustering(G) == 1
      G.remove_edge(1, 2)
      assert list(nx.clustering(G).values()) == [
          11 / 12,
          1,
          1,
          11 / 12,
          11 / 12,
      ]
      assert nx.clustering(G, [1, 4]) == {1: 1, 4: 11 / 12}
      G.remove_edge(2, 1)
      assert list(nx.clustering(G).values()) == [
          5 / 6,
          1,
          1,
          5 / 6,
          5 / 6,
      ]
      assert nx.clustering(G, [1, 4]) == {1: 1, 4: 0.83333333333333337}
      assert nx.clustering(G, 4) == 5 / 6
  
imports: import pytest
  import networkx
label_desc: Use image node_id 3 for calling the TestDirectedClustering obj's underlying member method code with example usage: obj.test_k5() without return types