templates/index.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Home Page</title>
</head>
<body>
    <h1>Welcome to the Mai Bhi Singer main page</h1>
    {% if logged_in %}
        <p>You are logged in. Visit the <a href="{{ url_for('create_song') }}">Try samples</a>.</p>
        <p><a href="{{ url_for('logout') }}">Logout</a></p>
    {% else %}
        <p>You are not logged in. <a href="{{ url_for('google.login') }}">Login with Google</a></p>
    {% endif %}
</body>
</html>