code: def stats(self):
      return "\n".join(
          "%-16s    %s"
          % (
              k,
              " / ".join(
                  " ".join("%.2f" % x for x in self.rate_to_p(rate))
                  for rate in self.rates[k]
              ),
          )
          for k in sorted(OPS.keys())
      )
  
imports: import random
  from collections import namedtuple
  import numpy
  from PIL import Image, ImageOps, ImageEnhance, ImageFilter
label_desc: Use image node_id 5 for calling the CTAugment obj's underlying member method code with example usage: obj.stats() and returns: str