He forgot to mention objects, which are also almost-dicts in python, but with a ton of magic rules like slots and methods storing their object when assigned and whatnot.

Lua has pretty nice and lightweight prototype OOP, which boils down to a few uses of : instead of . on tables and setting the __index of the metatable to be the parent table.

That's not to say python is not an excellent language, just that lua is a lot simpler.