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

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.

Carol M. Kopp edits features on a wide range of subjects for Investopedia, including investing, personal finance, retirement planning, taxes, business management, and career development. Khadija ...