class_docstr: A set of statistics about a single value series.
class_docstr_tok: ["A","set","of","statistics","about","a","single","value","series","."]
code: def __str__(self):
      if self.num == 0:
          return "num=0"
      return (
          "sum: %.4f, avg: %.4f, dev: %.4f, min: %.4f, max: %.4f, num: %d"
          % (self.sum, self.avg, self.dev, self.min, self.max, self.num)
      )
  
imports: import collections
  import functools
  import math
  import os
  import sys
  import threading
  import time
label_desc: Use image node_id 9 for calling the Stat obj's underlying member method code with example usage: obj.__str__() and returns: unknown, str