code: def fix_underscores(args):
      """
      Convert underscores to hyphens in args.
  
      For example, converts '--gradient_clip' to '--gradient-clip'.
  
      :param args: iterable, possibly containing args strings with underscores.
      """
      if args:
          new_args = []
          for a in args:
              if type(a) is str and a.startswith("-"):
                  a = a.replace("_", "-")
              new_args.append(a)
          args = new_args
      return args
  
imports: import argparse
  import importlib
  import os
  import sys
  import datetime
  import parlai
  import parlai.utils.logging
  from parlai.core.build_data import modelzoo_path
  from parlai.core.loader import load_teacher_module, load_agent_module, load_world_module
  from parlai.tasks.tasks import ids_to_tasks
  from parlai.core.opt import Opt
  from parlai.utils.io import PathManager
  from typing import List, Optional
label_desc: Use image node_id 10 for calling a global function with example usage: fix_underscores(args) and returns: args