How to concatenate in a Django template?

Question

Django

How to concatenate in a Django template?
This is how it doesn't work:

{% static 'main/img/flags/' + collection.fabrika.country + '.jpg' %}

The collection.fabrika.country variable stores just a string with the name of the country, for example "Russia".

Answer 1

{% with "shop/"|add:shop_name|add:"/base.html" as var1 %}