The GIL is controversial because it only allows one thread at a time to access the Python interpreter. This means that it’s often not possible for threads to take advantage of multi-core systems.

Threads can provide concurrency, even if they're not truly parallel. In my last article, I took a short tour through the ways you can add concurrency to your programs. In this article, I focus on one ...

Still, we hadn't yet come across a killer feature which we could only use in Python 3.6 to make us finally drop support for Python 2.7. Asyncio, which is not available at all in Python 2.7, became ...