def get_Books(book_list):
    print("Available books:")
    print("Book_ID: ", "Book_Name")
    for book in book_list:
        print(f"{book['id']}: {book['name']}")


def set_Book(book_list):
    while True:
        try:
            book_to_backup = int(input("Enter the book ID to backup: "))
            if any(book["id"] == book_to_backup for book in book_list):
                return book_to_backup
            else:
                print("Invalid book ID, please try again.")
        except ValueError:
            print("Please enter a valid number.")