code: def test_star_projected_graph(self):
      G = nx.star_graph(3)
      P = bipartite.projected_graph(G, [1, 2, 3])
      assert nodes_equal(list(P), [1, 2, 3])
      assert edges_equal(list(P.edges()), [(1, 2), (1, 3), (2, 3)])
      P = bipartite.weighted_projected_graph(G, [1, 2, 3])
      assert nodes_equal(list(P), [1, 2, 3])
      assert edges_equal(list(P.edges()), [(1, 2), (1, 3), (2, 3)])
  
      P = bipartite.projected_graph(G, [0])
      assert nodes_equal(list(P), [0])
      assert edges_equal(list(P.edges()), [])
  
imports: import pytest
  import networkx
  from networkx.algorithms import bipartite
  from networkx.utils import edges_equal, nodes_equal
label_desc: Use image node_id 8 for calling the TestBipartiteProject obj's underlying member method code with example usage: obj.test_star_projected_graph() without return types