On Mon, 16 Jan 2023 at 16:15, Dino <dino at no.spam.ar> wrote: > BTW, can you tell me what is going on here? what's := ? > > while (increase := add_some(conn,adding)) == 0: See here: https://docs.python.org/3/reference/expressions.html#assignment-expressions https://realpython.com/python-walrus-operator/