code: def reset(self):
      self.correct_num = 0
      self.all_num = 0
  
imports: from rapidfuzz.distance import Levenshtein
  from difflib import SequenceMatcher
  import numpy
  import string
label_desc: Use image node_id 4 for calling the CNTMetric obj's underlying member method code with example usage: obj.reset() without return types