class_docstr: Average meter group for multiple average meters.
class_docstr_tok: ["Average","meter","group","for","multiple","average","meters","."]
code: def __getattr__(self, item):
      return self.meters[item]
  
imports: import logging
  from collections import OrderedDict
  import time
  import numpy
  import torch
  import nni.retiarii.nn.pytorch
  from nni.nas.pytorch.mutables import Mutable, InputChoice, LayerChoice
label_desc: Use image node_id 3 for calling the AverageMeterGroup obj's underlying member method code with example usage: obj.__getattr__(item) and returns: self