code: def compute_exact(a_gold, a_pred):
      return int(normalize_answer(a_gold) == normalize_answer(a_pred))
  
imports: import collections
  import math
  import re
  import string
  from dataclasses import dataclass
  from typing import List, Dict
  from transformers.models.bert.tokenization_bert import BasicTokenizer
  from jiant.utils.display import maybe_tqdm
label_desc: Use image node_id 16 for calling a global function with example usage: compute_exact(a_gold, a_pred) and returns: int