Template rendering

<form method="POST" action="/registration">
    {# Render all fields + CSRF automatically #}
    {% form.registration_form %}
    <button type="submit">Sign up</button>
</form>

<form method="POST" action="/registration">
    {# CSRF always included automatically — field by field or full render #}
    {% form.registration_form.username %}
    {% form.registration_form.email %}
    {% form.registration_form.password %}

    <button type="submit">Sign up</button>
</form>

{# Runique tag — automatic message rendering #}
{% messages %}

{# Generated structure (internal message.html): #}
{% if messages %}
    {% messages }
{% endif %}