text: class AverageMeter():
      """Computes and stores the average and current value"""
      def __init__(self, name, fmt=':f'):
          self.name = name
          self.fmt = fmt
          self.log = []
          self.val = 0
          self.avg = 0
          self.sum = 0
          self.count = 0
  
      def reset(self):
          self.log.append(self.avg)
          self.val = 0
          self.avg = 0
          self.sum = 0
          self.count = 0
  
      def update(self, val, n=1):
          self.val = val
          self.sum += val * n
          self.count += n
          self.avg = self.sum / self.count
  
      def __str__(self):
          fmtstr = '{name} {val' + self.fmt + '} ({avg' + self.fmt + '})'
          return fmtstr.format(**self.__dict__)
  
  
  if __name__ == "__main__":
      meter = AverageMeter('sldk')
      print(meter.log)
  
  