Python Versions Management With pyenv

https://github.com/pyenv/pyenv

Using the latest version of Python is always a good idea. First of all - you get the new features like the f-strings (Python 3.6), ordered dictionaries (officially guaranteed from Python 3.7, but already present in Python 3.6), or the union operator (Python 3.9). But even if you don't use those features, you get plenty of smaller improvements and optimizations. Python is not the language that I would choose when the speed…