docs: def _check_args(*argl, **argd):
      """Checks the specified argument lists for objects that are trackable.
      """
      args = {"_": []}
      for item in argl:
          args["_"].append(_tracker_str(item))
             
      for key, item in argd.items():
          args[key] = _tracker_str(item)
          
      return args