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 will transform your code.

Corvallis residents Joe Nissen, in black hat, and Keith Klein stroll past the building at the corner of Southwest Fourth Street and Southwest Adams Avenue Friday afternoon. The building, which was ...