public ArrayList<Account> findAccountByLastName(String lastName) {
		ArrayList<Account> result = new ArrayList<>();

		for (Account account : accounts) {
			if (lastName.equals(account.getUser().getLastName())) {
				result.add(account);
			}
		}
		return result;
	}


	private void findAccountByLastNameAction() {
		String lastName;
		boolean guard = false;
		System.out.println("To jest akcja wyszukania konta poprzez nazwisko ");
		do {
			System.out.println("Podaj nazwisko");
			lastName = getUserInput();
			guard = Validator.checkLastName(lastName);
		} while (guard == false);
		ArrayList<Account> a = accountManager.findAccountByLastName(lastName);
		for(Account account : a) {
		accountManager.printAccount(account);
		}

	}