While loop question

[DPaul]

An event-driven application. A process is started only when a certain event has happened. Like pressing a button. You create an event listener and run it. That's all. No endless while loops.

Yes, indeed, like we do all the time in visual studio on tablet/phone apps.
Being a python newbie, i thought about that, but i do not know how to implement it in the given situation.

Basically a standalone box with a few buttons.
What event can python listen to, other than one of the buttons being pressed?
And for that i need the endless while loop, no ?
Add a touchscreen to put the event on the lcd? Surely that would be overkill.

What am i missing ?

Thanks
Paul