code: def test_isomorphism_iter2():
      # Path
      for L in range(2, 10):
          g1 = nx.path_graph(L)
          gm = iso.GraphMatcher(g1, g1)
          s = len(list(gm.isomorphisms_iter()))
          assert s == 2
      # Cycle
      for L in range(3, 10):
          g1 = nx.cycle_graph(L)
          gm = iso.GraphMatcher(g1, g1)
          s = len(list(gm.isomorphisms_iter()))
          assert s == 2 * L
  
imports: import importlib.resources
  import os
  import random
  import struct
  import networkx
  from networkx.algorithms import isomorphism
label_desc: Use image node_id 6 for calling a global function with example usage: test_isomorphism_iter2() without return types