1```console 2$ 03_03_positional_derive --help 3A simple to use, efficient, and full-featured Command Line Argument Parser 4 5Usage: 03_03_positional_derive[EXE] [NAME] 6 7Arguments: 8 [NAME] 9 10Options: 11 -h, --help Print help 12 -V, --version Print version 13 14$ 03_03_positional_derive 15name: None 16 17$ 03_03_positional_derive bob 18name: Some("bob") 19 20``` 21