Primary differences between Python 2 and 3 include the following: Unicode. By default, Python 3 encodes strings using Unicode rather than ASCII. Range functions.

An experimental ‘no-GIL’ build mode in Python 3.13 disables the Global Interpreter Lock to enable true parallel execution in Python. Here’s where to start.

A great package on PyPI is six, which papers over the differences between Python 2 and 3. For example, let's say you want to create a new object of the type used for text, such that things will be ...

MicroPython, on the other hand, is a lean and efficient use of the Python 3 (aka Python) programming language that's optimized to run on microcontrollers and embedded systems. It’s been used to ...

Drop support for Python 2.6 and older as it’s far easier to migrate from Python 2.7, and if you have to run Python 2.6, look into using the six library for compatibility with Python 3.