def cut(obj: str, sec: int=40) -> list:
    """cut the string into list

    Args:
        obj (str): text need to be cut
        sec (int, optional): words count. Defaults to 40.

    Returns:
        list: list of words
    """
    obj.strip()
    str_list = [obj[i:i+sec] for i in range(0,len(obj),sec)]
    print(str_list)
    return str_list