The implication that you cannot use Python 3 "if you are creating a project that you want to share with others" is false. Python 3 code is routinely shared and

The implication that you cannot use Python 3 "if you are creating a project that you want to share with others" is false. Python 3 code is routinely shared and used. There are a lot of enterprise systems that are still on COBOL, but that wouldn't make it any less ridiculous to say that you can't use Python if you are creating a project that you want to share with others.