diff --git a/app/main.py b/app/main.py
index f07695b9b..1827332ce 100644
--- a/app/main.py
+++ b/app/main.py
@@ -1,19 +1,20 @@
-lucky_number = 777
-pi = 3.14
-one_is_a_prime_number = False
-name = "Richard"
-my_favourite_films = [
-    "The Shawshank Redemption",
-    "The Lord of the Rings: The Return of the King",
-    "Pulp Fiction",
-    "The Good, the Bad and the Ugly",
-    "The Matrix",
-]
-profile_info = ("michel", "michel@gmail.com", "12345678")
-marks = {
-    "John": 4,
-    "Sergio": 3,
-}
-collection_of_coins = {1, 2, 25}
-
-# write your code here
+lucky_number: int = 777  # int
+pi: float = 3.14  # float
+one_is_a_prime_number: bool = False  # bool
+name: str = "Richard"  # str
+profile_info: tuple = ("michel", "michel@gmail.com", "12345678")  # tuple
+my_favourite_films: list = ["The Shawshank Redemption",
+                            "The Lord of the Rings:"
+                            " The Return"
+                            " of the King",
+                            "Pulp Fiction", "The Good, the Bad"
+                                            " and the Ugly",
+                            "The Matrix", ]  # list
+marks: dict = {"John": 4, "Sergio": 3, }  # dict
+collection_of_coins: set = {1, 2, 25}  # set
+sorted_variables = {"mutable": [my_favourite_films, marks,
+                                collection_of_coins],
+                    "immutable": [lucky_number, pi,
+                                  one_is_a_prime_number,
+                                  name, profile_info]}
+print(sorted_variables)