Python -O won’t magically make every script faster, but in the right workloads it’s a free win—here’s how to test it safely.

Why write ten lines of code when one will do? From magic variable swaps to high-speed data counting, these Python snippets ...

Want to make a Python user grind their teeth? Just recite three words: Python is slow. In many of the ways that matter, it’s true. “Pure” Python, without external libraries written in C, is nowhere ...