I have to work with stacks a lot and doing while (item := stack.pop()) is not None: # ... is a lot harder to get wrong than item = stack.pop() whil

I have to work with stacks a lot and doing while (item := stack.pop()) is not None: # ... is a lot harder to get wrong than item = stack.pop() while item is not None: # ... item = stack.pop() Really wish it was scoped though... Edit: Just realised you were asking for an if-statement... but I think this is still a valid point.