py3versions(1) on Linux
The text bc9ed7d7d976, as Debian 11 (Bullseye), Debian 10 (Buster), Debian 9 (Stretch) shipped it.
print python3 version information
Flags it lists
-
--default -
--help -
--installed -
--supported -
--version -
-d -
-h -
-i -
-s -
-v