class_docstr: Tests for :func:`networkx.algorithms.bipartite.min_edge_cover`
code: def test_bipartite_explicit(self):
      G = nx.Graph()
      G.add_nodes_from([1, 2, 3, 4], bipartite=0)
      G.add_nodes_from(["a", "b", "c"], bipartite=1)
      G.add_edges_from(
          [(1, "a"), (1, "b"), (2, "b"), (2, "c"), (3, "c"), (4, "a")]
      )
      min_cover = bipartite.min_edge_cover(
          G, bipartite.eppstein_matching
      )
      assert nx.is_edge_cover(G, min_cover)
      assert len(min_cover) == 8
  
imports: import networkx
  from networkx.algorithms import bipartite
label_desc: Use image node_id 4 for calling the TestMinEdgeCover obj's underlying member method code with example usage: obj.test_bipartite_explicit() without return types