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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def main():
 """Main function for DFTimewolf."""

  parser = argparse.ArgumentParser(
      formatter_class=argparse.RawDescriptionHelpFormatter,
      description=generate_help())

  subparsers = parser.add_subparsers()

  for registered_recipe in config.Config.get_registered_recipes():
    recipe, recipe_args, documentation = registered_recipe
    subparser = subparsers.add_parser(
        recipe['name'],
        formatter_class=utils.DFTimewolfFormatterClass,
        description='{0:s}'.format(documentation))
    subparser.set_defaults(recipe=recipe)
    for switch, help_text, default in recipe_args:
      subparser.add_argument(switch, help=help_text, default=default)
    # Override recipe defaults with those specified in Config
    # so that they can in turn be overridden in the commandline
    subparser.set_defaults(**config.Config.get_extra())

  args = parser.parse_args()
  recipe = args.recipe

  state = DFTimewolfState(config.Config)
  print('Loading recipes...')
  state.load_recipe(recipe)
  print('Loaded recipe {0:s} with {1:d} modules'.format(
      recipe['name'], len(recipe['modules'])))

  print('Setting up modules...')
  state.setup_modules(args)
  print('Modules successfully set up!')

  print('Running modules...')
  state.run_modules()
  print('Recipe {0:s} executed successfully.'.format(recipe['name']))