Hello people.
This may seem like a very simple question, and for that I apologize.
I am trying to output a variable page_no to a template, but I want to output
page_no + 1 and page_no - 1. How do I do that? I tried to do something like
{{ page_no + 1 }} and that failed. Tried {% and %} as well, but no success.
Surely there is a way to do this other than having to calculate these values
in the view ahead of time?
Thanks.
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