diff --git a/app/main.py b/app/main.py
index f07695b9b..6ea122f5d 100644
--- a/app/main.py
+++ b/app/main.py
@@ -2,6 +2,7 @@
 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",
@@ -9,11 +10,28 @@
     "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
+# Create a dictionary categorized by data types
+sorted_variables = {
+    "mutable": [
+        my_favourite_films,  # List []
+        marks,  # Dictionary {}
+        collection_of_coins,  # Set {}, with single values
+    ],
+    "immutable": [
+        lucky_number,  # Integer (int)
+        one_is_a_prime_number,  # Boolean value (bool)
+        pi,  # Floating-point number (float)
+        name,  # String (str)
+        profile_info,  # Tuple ()
+    ]
+}