finally finished question 2b.

clojure/src/question_3.clj

@@ -6,7 +6,7 @@
 
 (defn parse-input [input]
   (let [parse-line #(->> % vec (mapv str) (mapv Integer/parseInt))
-        lines (strings/split-lines input)] ;(mapv Integer/parseInt))]
+        lines (strings/split-lines input)]
     (mapv parse-line lines)))
 
 (defn all-possible-two-joltages [line]