code: def code_sim_score(prediction, reference, **kwargs):
      all_lines = prediction.lstrip("\n").split("\n")
      prediction = ""
      for line in all_lines:
          if (
              ("`" not in line)
              and ("#" not in line)
              and ("//" not in line)
          ):
              prediction = line
              break
      return fuzz.ratio(prediction, reference) / 100
  
imports: import difflib
  import re
  import string
  from collections import Counter
  import jieba
  from fuzzywuzzy import fuzz
  from rouge import Rouge
label_desc: Use image node_id 17 for calling a global function with example usage: code_sim_score(prediction, reference) and returns: unknown