code: def test_number_strongly_connected_components(self):
      ncc = nx.number_strongly_connected_components
      for G, C in self.gc:
          assert ncc(G) == len(C)
  
file_path: networkx/networkx/algorithms/components/tests/test_strongly_connected.py
imports: import pytest
  import networkx
  from networkx import NetworkXNotImplemented
label_desc: Use image node_id 5 for calling the TestStronglyConnected obj's underlying member method code with example usage: obj.test_number_strongly_connected_components() without return types