Python3 Leetcode 341. Flatten Nested List Iterator Chatgpt

class NestedIterator:
    def __init__(self, nestedList: [NestedInteger]):
        self.stack = []
        for i in reversed(nestedList):
            self.stack.append(i)

    def next(self) -> int:
        return self.stack.pop().getInteger()

    def hasNext(self) -> bool:
        while self.stack:
            top = self.stack[-1]
            if top.isInteger():
                return True
            self.stack.pop()
            for i in reversed(top.getList()):
                self.stack.append(i)
        return False