diff --git a/2/cubes.py b/2/cubes.py
index c191abb..3a11eac 100644
--- a/2/cubes.py
+++ b/2/cubes.py
@@ -1,7 +1,8 @@
 from aocd.models import Puzzle
 from aocd import submit
 
-def valid_games(games:list) -> list:
+
+def valid_games(games: list) -> list:
     """
     Solve part a.
     - check which of the games are possible with the follwing limitations:
@@ -10,7 +11,7 @@ def valid_games(games:list) -> list:
         - 14 blue
     - add up their IDs
     """
-    rules = {"red":12, "green":13, "blue":14}
+    rules = {"red": 12, "green": 13, "blue": 14}
 
     valid_ids = []
     for i, game in enumerate(games.split("\n"), start=1):
@@ -26,6 +27,34 @@ def valid_games(games:list) -> list:
             valid_ids.append(i)
     return valid_ids
 
+
+def minimum_sets(games: list) -> list:
+    """
+    Solve part b.
+    - figure out the minimum amount of cubes necessary of each color for each throw
+    - multiply the values of each minimum number together
+    - to solve sum these powers up
+    """
+    # find all minimas
+    minimas = []
+    for i, game in enumerate(games.split("\n"), start=1):
+        minimum = {"red": 0, "green": 0, "blue": 0}
+        throws = game.split(":")[1].split(";")
+        for throw in throws:
+            cubes = throw.split(",")
+            for cube in cubes:
+                _, amount, color = cube.split(" ")
+                if int(amount) > minimum[color]:
+                    minimum[color] = int(amount)
+        minimas.append(minimum)
+
+    # calculate all powers
+    powers = []
+    for minimum in minimas:
+        powers.append(minimum["red"] * minimum["green"] * minimum["blue"])
+    return powers
+
+
 if __name__ == "__main__":
     # get puzzle and parse data
     puzzle = Puzzle(year=2023, day=2)
@@ -36,6 +65,6 @@ if __name__ == "__main__":
     submit(answer_a, part="a", day=2, year=2023)
 
     # part b:
-    #answer_b = 0
-    #print(f"{answer_b}")
-    #submit(answer_b, part="b", day=2, year=2023)
+    answer_b = sum(minimum_sets(puzzle.input_data))
+    print(f"{answer_b}")
+    submit(answer_b, part="b", day=2, year=2023)