code: def add_meter(self, name, **kwargs):
      self.meters[name] = SmoothedValue(**kwargs)
  
imports: import datetime
  import time
  from collections import defaultdict, deque
  import torch
  from .distributed import reduce_across_processes
label_desc: Use image node_id 6 for calling the MetricLogger obj's underlying member method code with example usage: obj.add_meter(name) without return types