1. `lets help <command>` must show what `lets <command> --help` shows now 2. `lets <command> --help` must not show default lets help since `--help` can be valid subcommand flag (`pytest --help` for example)
lets help <command>must show whatlets <command> --helpshows nowlets <command> --helpmust not show default lets help since--helpcan be valid subcommand flag (pytest --helpfor example)