{% if 1 not in [1, 2, 3] %}
{# is equivalent to #}
{% if not (1 in [1, 2, 3]) %}
{% autoescape true %}
{{ var }}
{{ var|raw }} {# var won't be escaped #}
{{ var|escape }} {# var won't be doubled-escaped #}
{% endautoescape %}
{{ include('twig.html', sandboxed = true) }}
{{"string #{with} \" escapes" 'another#one' }}
My Webpage
{{ a_variable }}