Developer bootcamps are expensive, but offer more than just knowledge. If you're looking to get a job as a software developer, paying for a bootcamp allows you access to experts but also to a network typically geared towards getting you a first job. Access to a network is an invaluable boost in any career, but especially for individuals trying to bootstrap their way into it.

With that said, I'd totally do this because learning Python online while being able to ask questions seems pretty sweet. But I don't know if I would substitute this for an initial education.