With Python 3.12, Snow and his cohort cleaned up Python’s internals enough to make subinterpreters useful, and they are adding a minimal module to the Python standard library called interpreters.

Python’s development team chose defaults that reflect the most common real-world scenarios. But if you do need to tweak the way garbage collection works, you can use Python’s gc module .

The __future__ module in Python is used for implementing features in the current Python version that will be incorporated in a future version. This is done so that you can adapt to the new feature.