code: def test_bidirectional_dijkstra_multigraph(self):
      G = nx.MultiGraph()
      G.add_edge("a", "b", weight=10)
      G.add_edge("a", "b", weight=100)
      dp = nx.bidirectional_dijkstra(G, "a", "b")
      assert dp == (10, ["a", "b"])
  
imports: import pytest
  import networkx
  from networkx.utils import pairwise
label_desc: Use image node_id 10 for calling the TestWeightedPath obj's underlying member method code with example usage: obj.test_bidirectional_dijkstra_multigraph() without return types