text: import snap
  
  print("testing snap.TIntSet ...")
  set = snap.TIntSet()
  set.AddKey(0)
  set.AddKey(1)
  set.AddKey(2)
  for Id_A in set:
      for Id_B in set:
          print((Id_A, Id_B))
  
  print("testing snap.TIntH ...")
  hash = snap.TIntH()
  hash[0] = 0
  hash[1] = 1
  hash[2] = 2
  for Id_A in hash:
      for Id_B in hash:
          print((Id_A, Id_B))
  
  