diff --git a/app/main.py b/app/main.py
index f07695b9b..1cdf53fbd 100644
--- a/app/main.py
+++ b/app/main.py
@@ -16,4 +16,7 @@
 }
 collection_of_coins = {1, 2, 25}
 
-# write your code here
+mutable = [my_favourite_films, marks, collection_of_coins]
+immutable = [lucky_number, pi, name, one_is_a_prime_number, profile_info]
+
+sorted_variables = {"mutable" : mutable, "immutable": immutable}