filtering.py

from typing import List, Optional


def main():
    items = [
        "campbells soup",
        "bonnie and kyled",
        "the wonderful end of the world",
        "my name is matthew"
    ]

    print(apply_filter(items, [
        ["camp", "kyle"],
        ["matt"],
        None
    ]))
    print(apply_filter(items, [None, None, None]))
    print(apply_filter(items, [["nothing"], ["aat"], ["all"]]))


def apply_filter(items: List, filters: List[Optional[List]]) -> List:
    if all(f is None for f in filters):
        return items
    return list(filter(lambda item: any((f is not None and any(needle in item for needle in f) for f in filters)), items))


if __name__ == '__main__':
    main()