Python
Definition
A popular programming language, and the one most AI is built with. It's prized for being relatively readable and for the huge collection of ready-made tools available for it. You don't need Python to use AI; the apps you click and type into hide all of it. But behind nearly every AI system you've heard of, there's Python doing the work.
Why It Matters
You'll see it named constantly in any technical discussion of AI. Knowing it's simply the language of choice saves you wondering whether it's something you're missing. It isn't, unless you want it to be.
What does that look like in practice?
Behind a flashy AI tool you click through, there's usually plain Python code doing the actual work.
What people actually mean when they say this
When developers say 'we built it in Python,' they mean the common language most AI is written in, nothing you need to learn to use the tools.
Last reviewed: June 2026
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