default as an empty list and help as an string 'Locale(s) to process (e.g. de_AT). Default is to process all. Can be used multiple times.'. call the method parser.add_argument with string '--exclude', string '-x', dest set to string 'exclude', action set to string 'append',
parser . add_argument ( '--exclude' , '-x' , dest = 'exclude' , action = 'append' , default = [ ] , help = 'Locales to exclude. Default is none. Can be used multiple times.' )