new_users = [
        {'new_username': 'admin1', 'new_code': 'pass1'},
        {'new_username': 'admin2', 'new_code': 'pass2'},
        {'new_username': 'admin3', 'new_code': 'pass3'}
    ]
@app.route("/")
@app.route("/login", methods=['POST', 'GET'])
def login():
    if current_user.is_authenticated:
        return redirect(url_for('booking'))
    form = LoginForm()
    if form.validate_on_submit():
        new_user = [a for a in new_users if a["new_username"] == form.new_username.data
                    and a["new_code"] == form.new_code.data]
        if new_user:
            login_user(new_user)
            next_page = request.args.get('next')
            return redirect(next_page) if next_page else redirect(url_for('login'))
        else:
            flash('Login Unsuccessful. Please check your name and the code', 'danger')
        return redirect(url_for('login'))
    return render_template('login.html', title='Login', form=form)