code: def superscript_main(args=None):
      """
      Superscript is a loader for all the other scripts.
      """
      setup_script_registry()
  
      parser = _SupercommandParser(
          False, False, formatter_class=_SuperscriptHelpFormatter
      )
      parser.add_argument(
          "--helpall",
          action="helpall",
          help="List all commands, including advanced ones.",
      )
      parser.add_argument(
          "--version",
          action="version",
          version=get_version_string(),
          help="Prints version info and exit.",
      )
      parser.set_defaults(super_command=None)
      subparsers = parser.add_subparsers(
          parser_class=_SubcommandParser,
          title="Commands",
          metavar="COMMAND",
      )
      hparser = subparsers.add_parser(
          "help",
          aliases=["h"],
          help=argparse.SUPPRESS,
          description="List the main commands.",
      )
      hparser.set_defaults(super_command="help")
      hparser = subparsers.add_parser(
          "helpall",
          help=argparse.SUPPRESS,
          description="List all commands, including advanced ones.",
      )
      hparser.set_defaults(super_command="helpall")
  
      # build the supercommand
      for script_name, registration in SCRIPT_REGISTRY.items():
          logging.verbose(f"Discovered command {script_name}")
          script_parser = registration.klass.setup_args()
          if script_parser is None:
              # user didn't bother defining command line args. let's just fill
              # in for them
              script_parser = ParlaiParser(False, False)
          help_ = (
              argparse.SUPPRESS
              if registration.hidden
              else script_parser.description
          )
          subparser = subparsers.add_parser(
              script_name,
              aliases=registration.aliases,
              help=help_,
              description=script_parser.description,
              formatter_class=CustomHelpFormatter,
          )
          subparser.set_defaults(
              # carries the name of the full command so we know what to execute
              super_command=script_name,
              # used in ParlAI parser to find CLI options set by user
              _subparser=subparser,
          )
          subparser.set_defaults(**script_parser._defaults)
          for action in script_parser._actions:
              subparser._add_action(action)
          for action_group in script_parser._action_groups:
              subparser._action_groups.append(action_group)
  
      try:
          import argcomplete
  
          argcomplete.autocomplete(parser)
      except ModuleNotFoundError:
          pass
  
      opt = parser.parse_args(args)
      cmd = opt.pop("super_command")
      if cmd == "helpall":
          parser.print_helpall()
      elif cmd == "versioninfo":
          exit(0)
      elif cmd == "help" or cmd is None:
          parser.print_help()
      elif cmd is not None:
          return SCRIPT_REGISTRY[cmd].klass._run_from_parser_and_opt(
              opt, parser
          )
  
imports: import sys
  import io
  import argparse
  from typing import List, Optional, Dict, Any
  import parlai
  from parlai.core.opt import Opt
  from parlai.core.params import ParlaiParser, CustomHelpFormatter
  from abc import abstractmethod
  import importlib
  import pkgutil
  import parlai.scripts
  import parlai.utils.logging
  from parlai.core.loader import register_script, SCRIPT_REGISTRY
label_desc: Use image node_id 3 for calling a global function with example usage: superscript_main(args) and returns: SCRIPT_REGISTRY