@staticmethod
def save_str_list(write_path, info_list, mode='w'):
    """
        save a list of info to a file
        :param write_path: string
        :param info_list: a list of info to save
        :param mode: file mode
        :return:
        """
    with open(write_path, mode) as file:
        for info in info_list:
            file.write(str(info))
