text: # test builtin issubclass
  
  class A:
      pass
  
  print(issubclass(A, A))
  print(issubclass(A, (A,)))
  
  try:
      issubclass(A, 1)
      print("FAIL")
      raise SystemExit
  except TypeError:
      pass
  
  try:
      issubclass('a', 1)
      print("FAIL")
      raise SystemExit
  except TypeError:
      print("PASS")
  