def likes(names):
    length = len(names[:4])

    match length:
        case 0:
            return "no one likes this"
        case 1:
            return f"{names[0]} likes this"
        case 2:
            return f"{names[0]} and {names[1]} like this"
        case 3:
            return f"{names[0]}, {names[1]} and {names[2]} like this"
        case _:
            return f"{names[0]}, {names[1]} and {len(names) - 2} others like this"


if __name__ == "__main__":
    assert likes([]) == "no one likes this"
    assert likes(["Peter"]) == "Peter likes this"
    assert likes(["Jacob", "Alex"]) == "Jacob and Alex like this"
    assert likes(["Max", "John", "Mark"]) == "Max, John and Mark like this"
    assert (
        likes(["Alex", "Jacob", "Mark", "Max"]) == "Alex, Jacob and 2 others like this"
    )

    print("All tests passed!")