title: How to concatenate strings in django templates?
body: <p>I want to concatenate a string in a Django template tag, like:</p>
  
  <pre><code>{% extend shop/shop_name/base.html %}
  </code></pre>
  
  <p>Here <code>shop_name</code> is my variable and I want to concatenate this with rest of path.</p>
  
  <p>Suppose I have <code>shop_name=example.com</code> and I want result to extend <code>shop/example.com/base.html</code>.</p>