diff --git a/.gitignore b/.gitignore
index 69ab9db..518ddb7 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,3 +8,6 @@
 /checkouts
 /.lein-deps-sum
 /.lein-plugins
+/.idea
+/.clj-kondo
+/.lsp
\ No newline at end of file
diff --git a/src/training_day.clj b/src/training_day.clj
index f5ac2e6..1bcea2e 100644
--- a/src/training_day.clj
+++ b/src/training_day.clj
@@ -1,11 +1,14 @@
 (ns training-day)
 
-(def answer ":(")
+(def answer 42)
 
 (def hai "O HAI!")
 
 (defn square [x]
-  ":(")
+  (* x x))
 
 (defn average [a b]
-  ":(")
+  (/ (+ a b) 2))
+
+(defn srednee [kol]
+  (/ (reduce + kol) (count kol)))