class_docstr: Computes and stores the average and current value
      
code: def update(self, val, n=1):
      self.val = val
      self.sum += val * n
      self.count += n
      self.avg = self.sum / self.count
  
file_path: insightface/recognition/arcface_paddle/utils/logging.py
imports: import logging
  import os
  import sys
  import time
label_desc: Use image node_id 3 for calling the AverageMeter obj's underlying member method code with example usage: obj.update(val, n) without return types