This actually raises a very good question - could you increase the amount of available RAM by using the user?
Juggling chainsaws comes to mind.
That's basically what old games did with passwords for saves. Although I guess that's more like using the user as persistent storage rather than ram.
I raise you
@lambda _: _()
def result() -> int:
global a; global b; a, b = b, a
hat tip to @sisyphean@programming.dev via Cursed Python