this is a buggy implementation, how to correct the body of this function? thanks

YULE CHILD05) HUB Yuay USU def add_in_order(stack: Stack, 1st: list) -> None: Add all items in >> stack = Stack() >>> lst = [1, 1] >>> add_in_order(stack, lst) >>> results = [stack.pop(), stack.popO] >>> 1st == results True >>> stack.is_empty() True for item in Ist: stack.push(item)