code: def main():
      config_parser = get_config_parser()
      args = config_parser.parse_args()
  
      if not hasattr(args, "func"):
          config_parser.print_help()
          exit(1)
  
      # Run
      args.func(args)
  
imports: import argparse
  from .config import config_command_parser
  from .config_args import default_config_file, load_config_from_file
  from .default import default_command_parser
  from .update import update_command_parser
label_desc: Use image node_id 2 for calling a global function with example usage: main() without return types