Agree, I have learnt both Clojure and Haskell on codewars when I was bored in lab. Another advantages is that the typical problems in codewars often does not in

Agree, I have learnt both Clojure and Haskell on codewars when I was bored in lab. Another advantages is that the typical problems in codewars often does not involve learning extra libraries or IO, which often distracts me from learning the language itself.