django messages failure code example

Example 1: django read mesage

{% if messages %}
<ul class="messages">
    {% for message in messages %}
    <li{% if message.tags %} class="{{ message.tags }}"{% endif %}>{{ message }}</li>
    {% endfor %}
</ul>
{% endif %}

Example 2: django messages

from django.contrib import messages
messages.add_message(request, messages.INFO, 'Hello world.')