Exactly. Widely-used programming languages continue to be used even when the authors move to a new version. Perl 5 lives on and is still developed and maintai

Exactly. Widely-used programming languages continue to be used even when the authors move to a new version. Perl 5 lives on and is still developed and maintained: https://www.perl.org/get.html https://www.perl.org/get.html Perl 6 became Raku: https://www.raku.org/ https://www.raku.org/ Python 2 is still in use, but officially deprecated: https://www.python.org/doc/sunset-python-2/ https://www.python.org/doc/sunset-python-2/ You could probably start a business maintaining a Python 2 distribution and selling support to businesses and organizations that rely on Python 2 and are not in a position to upgrade: https://www.activestate.com/blog/python-2-eol-report-card-is-the-industry-ready/ https://www.activestate.com/blog/python-2-eol-report-card-is...