I’m just trying to learn about loop function. I want to print every sec and stop at 20. What am i doing wrong? [296955-loop.png]

I made the same mistake, but BP doesn’t work like that. Basically everything that can fire will fire, all at once. So the BP will fire a instances of that loop in one go. The delay is there, but you basically have a big list which is 20 delay nodes followed by print strings. The end result is one d…