def METHOD_NAME():
    print (("Running {}...").format(script))
    if arg1 == "help":
        print_help()
    elif arg1 == "create_certs":
        create_certs()
    elif arg1 == "delete_certs":
        delete_certs()
    elif arg1 == "start_server":
        start_server()
    elif arg1 == "run_client":
        run_client()
    else:
        print('{} exiting with unknown argument {}...\n'.format(script, arg1))
        print_help()
    exit('{} exiting successfully.'.format(script))