Is it worth starting "from scratch" in web dev? Straight Python, or Django?

I've dabbled (and even made a living) in web dev for several years. I started with Dreamweaver, and then gradually learned how to write HTML and CSS from scratch. I then used Dreamweaver to patch together PHP/MySQL for database-driven sites, until I switched to ExpressionEngine because it met my needs for a flexible back-end database to run my sites from. I've always been strong in design, and so regardless of how patchy my back-end has been, the results have spoken for themselves and achieved my goals. Good writing and design have compensated for a shitty back end (though in time, my HTMl and CSS have become acceptable in quality). But whenever I talk to someone who knows how to program, it seems like slicing butter for them to do what's required for a web app. Like they can spend a few hours and have something that works. And I've always been strong in math and logic, so I think programming is not a bad fit for the way my brain works. So here's my situation. I'm getting back into web