The second desirable feature is that while using this interactive shell, IDLE supports code completion and docstring support (it gives you hints for what parameters a function accepts/requires).

Serving tens of millions of developers, Microsoft's dev team for Python in Visual Studio Code shipped a new release with three major new features, including a 'full' language server mode for Pylance, ...

Python docstring is a sentence documenting what the module, class, or method does. Before I started coding, installing the required Python packages took me about forty minutes.