class_docstr: A container to keep running sum, mean and last value.
class_docstr_tok: ["A","container","to","keep","running","sum",",","mean","and","last","value","."]
code: def reset(self):
      self.val = 0
      self.avg = 0
      self.sum = 0
      self.count = 0
  
label_desc: Use image node_id 2 for calling the AverageMeter obj's underlying member method code with example usage: obj.reset() without return types