code: def add_subparser(parser):
      """Add the subparsers that needs to be used for this command"""
      # Fetch experiment name, user's script path and command line arguments
      # Use `-h` option to show help
  
      db_parser = parser.add_parser(
          "db", help=SHORT_DESCRIPTION, description=DESCRIPTION
      )
      subparsers = db_parser.add_subparsers()
  
      load_modules_parser(subparsers)
  
      return db_parser
  
label_desc: Use image node_id 1 for calling a global function with example usage: add_subparser(parser) and returns: db_parser