SUBCOMMANDS:
    install         Install version, either from the provided version or from `.python-version`
    select          Select specified Python versions to use

-vvv

install latest
    --pre
install =3.7.3
install ~3.7
    --force
    --extra
    --extra-from
    --select
    --docker

list
list --available

# Install extra pip packages for selected interpreter
extra
extra --from=path

select =3.7.3
select 3.7          --> Interpreted as ^3.7, which matches 3.8.0
select ~3.7
select /path/to/interpreter/bin
select /path/to/interpreter/bin/python