$ 03_03_positional --help
A simple to use, efficient, and full-featured Command Line Argument Parser

Usage: 03_03_positional[EXE] [name]

Arguments:
  [name]  

Options:
  -h, --help     Print help
  -V, --version  Print version

$ 03_03_positional
name: None

$ 03_03_positional bob
name: Some("bob")