I see. You're in the tutorial hell phase. To get over it you'll have to by my python course where I teach you how to make real python projects!💪
jkjk
Pygame is cool, calculator apps are cool, plotting data is cool. The fact that you're learning is 🔥
You can learn towards building something specific, or you can just continue exploring for the sake of it. More likely than not you'll latch onto something and start building something you want to exist.
Something that may or may not be an abcnotation engine? Perhaps? Maybe not 🌝