1```console 2$ demo --help 3A simple to use, efficient, and full-featured Command Line Argument Parser 4 5Usage: demo[EXE] [OPTIONS] --name <NAME> 6 7Options: 8 -n, --name <NAME> Name of the person to greet 9 -c, --count <COUNT> Number of times to greet [default: 1] 10 -h, --help Print help 11 -V, --version Print version 12 13$ demo --name Me 14Hello Me! 15 16``` 17*(version number and `.exe` extension on windows replaced by placeholders)* 18