diff --git a/app/main.py b/app/main.py
index f07695b9b..97e6f7b51 100644
--- a/app/main.py
+++ b/app/main.py
@@ -15,5 +15,8 @@
     "Sergio": 3,
 }
 collection_of_coins = {1, 2, 25}
+sorted_variables = {
+    "mutable": [my_favourite_films, marks, collection_of_coins],
+    "immutable": [lucky_number, pi, one_is_a_prime_number, name, profile_info]
+}
 
-# write your code here