The Interpreter design pattern isn’t as popular as other patterns are, and it is often overlooked due to its complexity. However, it is a powerful design pattern with some distinct use cases.

But there’s a feature unique to the Python edition of Windows that makes it easier to manage multiple installed versions of the Python interpreter—the py launcher.

Once the Python file is saved in Notepad, the programmer can run the Python program using the command line and interpreter. To do this, the programmer opens a DOS command line window, accessible ...

Earlier this year, Python core developers — those who work on maintaining and updating Python’s reference CPython interpreter — elected a steering council to oversee the future of the language.