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.

Look up in the sky, it's a bird, it's a plane, it's ... a 20,000 cubic-meter power-generating airship, floating 6,560 ft (2,000 meters) above the ground. Introducing the S2000 stratospheric airborne ...