code: def __getitem__(self, name: str):
      names = name.split("/", 1)
      item = getattr(self, names[0])
      if len(names) > 1:
          return item[names[1]]
      else:
          return item
  
imports: from __future__ import annotations
  import warnings
  import json
  from typing import Dict, Union, Optional
  from collections import OrderedDict
  from .meters import Meter
label_desc: Use image node_id 8 for calling the MeterDict obj's underlying member method code with example usage: obj.__getitem__(name) and returns: item, item