code: def _reset(self):
      super()._reset()
      self.all_start_pos_preds: List = []
      self.all_start_pos_targets: List = []
      self.all_start_pos_scores: List = []
      self.all_end_pos_preds: List = []
      self.all_end_pos_targets: List = []
      self.all_end_pos_scores: List = []
      self.all_has_answer_targets: List = []
      self.all_has_answer_preds: List = []
      self.all_has_answer_scores: List = []
  
      self.all_preds = (
          self.all_start_pos_preds,
          self.all_end_pos_preds,
          self.all_has_answer_preds,
      )
      self.all_targets = (
          self.all_start_pos_targets,
          self.all_end_pos_targets,
          self.all_has_answer_targets,
      )
      self.all_scores = (
          self.all_start_pos_scores,
          self.all_end_pos_scores,
          self.all_has_answer_scores,
      )
      self.all_context: Dict = {}
      self.all_loss: List = []
      self.all_pred_answers: List = []
      self.batch_size: List = []
      self.n_batches = 0
  
imports: import re
  import string
  from collections import Counter
  from itertools import zip_longest
  from typing import Dict, List
  import numpy
  from pytext.common.constants import Stage
  from pytext.metric_reporters.channel import Channel, ConsoleChannel, FileChannel
  from pytext.metric_reporters.metric_reporter import MetricReporter
  from pytext.metrics import compute_classification_metrics, LabelPrediction
  from pytext.metrics.squad_metrics import SquadMetrics
label_desc: Use image node_id 3 for calling the SquadMetricReporter obj's underlying member method code with example usage: obj._reset() without return types