Damian Połać

Hi @neo-azazello You should put category name outside of the second `for`. Like this: ``` {% for key, i in skills|group_by(=> _.skillcategory) %} {{key}} {% for b in i %}...

Hello @tsnorri, thanks for your contribution! Calculating Fibonacci numbers is a quite abstract example. Especially since most calculations in web apps are not done in templates, but rather in controller....