веток, если
{% if online == false %}
<p>Our website is in maintenance mode. Please, come back later.</p>
{% endif %}
Programmatically Andrew
{% if online == false %}
<p>Our website is in maintenance mode. Please, come back later.</p>
{% endif %}{% if temperature > 18 and temperature < 27 %}
<p>It's a nice day for a walk in the park.</p>
{% endif %}