code: def _parent_name(target):
      """
      Turn 'foo.bar' into ['foo', 'bar']
      """
      r = target.rsplit(".", 1)
      if len(r) == 1:
          return "", r[0]
      else:
          return r[0], r[1]
  
imports: import functools
  import warnings
  from collections import OrderedDict
  from inspect import getfullargspec, signature
  from typing import Any, Callable, Dict, Optional, Tuple, Union
  import torch
  from torch.ao.quantization.quant_type import QuantType
  from torch.fx import Node
  from torch.nn.utils.parametrize import is_parametrized
label_desc: Use image node_id 22 for calling a global function with example usage: _parent_name(target) and returns: str,  r, r,  r