code: def test_k3(self):
      comm1 = [
          0,
          1,
          2,
          3,
          7,
          8,
          12,
          13,
          14,
          15,
          17,
          18,
          19,
          20,
          21,
          22,
          23,
          26,
          27,
          28,
          29,
          30,
          31,
          32,
          33,
      ]
      comm2 = [0, 4, 5, 6, 10, 16]
      comm3 = [24, 25, 31]
      expected = {frozenset(comm1), frozenset(comm2), frozenset(comm3)}
      self._check_communities(3, expected)
  
file_path: networkx/networkx/algorithms/community/tests/test_kclique.py
imports: from itertools import combinations
  import pytest
  import networkx
label_desc: Use image node_id 4 for calling the TestZacharyKarateClub obj's underlying member method code with example usage: obj.test_k3() without return types