/**
 * Display the available books that haven't been borrowed yet.
 *
 * @param books List of books in the library
 * @param borrowedBooks List of books that have been borrowed
 */
fun displayAvailableBooks(books: List<String>, borrowedBooks: List<String>) {

    println("Available Books:")
    for (book in books) {
        if (book !in borrowedBooks) {
            println(book)
        } else {
            if ('a' !in book) {
                println(book)
            }
        }
    }
    println("End of book list")
}
/**
 * Display the available books that haven't been borrowed yet.
 *
 * @param books List of books in the library
 * @param borrowedBooks List of books that have been borrowed
 */
fun displayAvailableBooks(books: List<String>, borrowedBooks: List<String>) {
/**
 * Display the available books that haven't been borrowed yet.
 *
 * @param books List of books in the library
 * @param borrowedBooks List of books that have been borrowed
 */
fun displayAvailableBooks(books: List<String>, borrowedBooks: List<String>) {

    println("Available Books:")
    for (book in books) {
        if (book !in borrowedBooks) {
            println(book)
        } else {
            if ('a' !in book) {
                println(book)
            }
        }
    }
    println("End of book list")
}