Why doesn't the templating code work?

Question

Django

{% if post.number|add:'-2' > 0 %}
  	{{ posts.number|add:'-2' }}
  {% endif %}

post.number|add:'-2' is 1 but when I open the site {{ posts.number|add:'-2' }} is not displayed

Answer 1

post vs posts and you don't need to do this in templates, calculate in views