python比较嵌套列表和将匹配项追加到新列表的有效方法

def compare_lists(list1, list2):
    if len(list1) != len(list2):
        return False

    for i in range(len(list1)):
        if isinstance(list1[i], list) and isinstance(list2[i], list):
            if not compare_lists(list1[i], list2[i]):
                return False
        elif list1[i] != list2[i]:
            return False

    return True

def append_matching_items(list1, list2):
    new_list = [item for item in list1 if item in list2]
    return new_list