def get_func_code_details(my_F):
  """Extract co_code, co_consts, co_argcount, func_defaults
  """
  
  bytecode = my_F.__code__.co_code
  consts = my_F.__code__.co_consts
  argcount = my_F.__code__.co_argcount    
  defaults = my_F.__defaults__       

  return bytecode, consts, argcount, defaults