def get_books_by_title(args, books):
    """
    Get books whose titles contains the arguments
    :param args: args object containing all arguments
    :param books: A list of book objects read from csv file
    :return: A list of book objects whose title matches the arguments.
    """
    if not args.title:
        return None

    title_book_list = []
    for arg in args.title:
        for book in books:
            if arg.lower() in book.title.lower():
                if not book in title_book_list:
                    title_book_list.append(book)
    return title_book_list