Route with authentication

@app.route('/')
@app.route('/hello')
def methodName():
    name = request.args.get('name')
    if name is None:
        name = request.cookies.get('name', 'Human')
    response = '<h1>Hello, %s!</h1>' % escape(name)  # escape name to avoid XSS
    # return different response according to the user's authentication status
    if 'logged_in' in session:
        response += '[Authenticated]'
    else:
        response += '[Not Authenticated]'
    return response