code: def _maybe_print_to_console_and_file(
      self, index: int, prediction: str, model_input: str = None
  ) -> None:
      if self._print_to_console:
          if model_input is not None:
              print(f"input {index}: ", model_input)
          print("prediction: ", prediction)
      if self._output_file is not None:
          self._output_file.write(prediction)
  
imports: from typing import List, Iterator, Optional
  import argparse
  import sys
  import json
  from allennlp.commands.subcommand import Subcommand
  from allennlp.common import logging
  from allennlp.common.checks import check_for_gpu, ConfigurationError
  from allennlp.common.file_utils import cached_path, open_compressed
  from allennlp.common.util import lazy_groups_of
  from allennlp.data.dataset_readers import MultiTaskDatasetReader
  from allennlp.models.archival import load_archive
  from allennlp.predictors.predictor import Predictor, JsonDict
  from allennlp.data import Instance
label_desc: Use image node_id 4 for calling the _PredictManager obj's underlying member method code with example usage: obj._maybe_print_to_console_and_file(index, prediction, model_input) without return types