code: def exact_match_score(prediction, ground_truth, lang):
      return normalize_answer(prediction, lang) == normalize_answer(
          ground_truth, lang
      )
  
imports: import string
  import re
  import sys
  import unicodedata
  from collections import Counter
  from dataclasses import dataclass
  from jiant.tasks.lib.templates.squad_style import core
label_desc: Use image node_id 5 for calling a global function with example usage: exact_match_score(prediction, ground_truth, lang) and returns: unknown