Why not create a WeaponLevel class? You could have something like:

class WeaponLevel:
    description: str
    reload_speed: float
    # ...


class Weapon:
    name: str
    levels: List[WeaponLevel]
    # ...

Then you could create weapons with arbitrary levels?

Not sure if that's the best way, but it's what springs to mind as an immediate thought.

then create 2 classes. shootables and swingables?

Yeah, the term you're looking to google is object oriented programming.  It's already been covered here, but there's a lot of good info on how to do this kind of thing if you go find books and stuff on it.

There are lots of other ways to handle the problem, but they're all more complicated and I wouldn't try for anything until you've usefully done something with OOP.