code: def add_training_output_args(params):
      params.add_argument(
          "--output",
          "-o",
          required=True,
          help="Folder where model & training results are written to.",
      )
      params.add_argument(
          "--overwrite-output",
          action="store_true",
          help="Delete all contents of the model directory if it already exists.",
      )
  
imports: import argparse
  import os
  import sys
  import types
  from typing import Any, Callable, Dict, List, Tuple, Optional
  import yaml
  from sockeye.utils import smart_open
  from .None import constants
label_desc: Use image node_id 21 for calling a global function with example usage: add_training_output_args(params) without return types