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diff --git a/py03/ex3/ft_achievement_tracker.py b/py03/ex3/ft_achievement_tracker.py
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+++ b/py03/ex3/ft_achievement_tracker.py
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+#!/usr/bin/env python3
+# https://www.freecodecamp.org/learn/python-v9/review-dictionaries-and-sets/review-dictionaries-and-sets
+
+import random
+
+
+class Player:
+    def __init__(self, name: str, achievements: set[str]):
+        self.name = name
+        self.achievements = achievements
+
+
+def gen_player_achievements(player: str, achievements: set[str]):
+    pa = set()
+    list_ach = list(achievements)
+    for _ in range(9):
+        achievement = random.choice(list_ach)
+        pa.add(achievement)
+    return pa
+
+
+if __name__ == "__main__":
+    print("=== Achievement Tracker System ===")
+    achievements = {'Crafting Genius',
+                    'World Savior',
+                    'Master Explorer',
+                    'Collector Supreme',
+                    'Untouchable',
+                    'Boss Slayer',
+                    'Strategist',
+                    'Unstoppable',
+                    'Speed Runner',
+                    'Survivor',
+                    'Treasure Hunter',
+                    'First Steps',
+                    'Sharp Mind'}
+    print()
+    black_for = '\033[0;30m'
+    pink_bak = '\033[48;5;205m'
+    stp_color = '\033[0m'
+    # print players' achievement(s)
+    players_list: list[str] = ['Alice', 'Bob', 'Charlie', 'Dylan']
+    players = []
+    i = 0
+    for player in players_list:
+        players.append(Player(player,
+                       gen_player_achievements(player, achievements)))
+        print(f"{black_for}{pink_bak}Player {players[i].name}:"
+              f"{stp_color} {players[i].achievements}")
+        i += 1
+    print()
+    union = players[0].achievements.union(players[1].achievements,
+                                          players[2].achievements,
+                                          players[3].achievements)
+    print(f"{black_for}{pink_bak}All distinct achievements:"
+          f"{stp_color} {union}")
+    print()
+    common_achievements = players[0].achievements.intersection(
+                        players[1].achievements,
+                        players[2].achievements,
+                        players[3].achievements)
+    print(f"{black_for}{pink_bak}Common achievements:"
+          f"{stp_color} {common_achievements}")
+    print()
+    # print players' unique achievement(s)
+    print("Only", players[0].name, "has: ",
+          players[0].achievements.difference(players[1].achievements,
+          players[2].achievements,
+          players[3].achievements))
+    print("Only", players[1].name, "has: ",
+          players[1].achievements.difference(players[0].achievements,
+          players[2].achievements,
+          players[3].achievements))
+    print("Only", players[2].name, "has: ",
+          players[2].achievements.difference(players[1].achievements,
+          players[0].achievements,
+          players[3].achievements))
+    print("Only", players[3].name, "has: ",
+          players[3].achievements.difference(players[1].achievements,
+          players[2].achievements,
+          players[0].achievements))
+    print()
+    # print what each player is missing
+    i = 0
+    # iterate through the list of string
+    for player in players_list:
+        missing = set()
+        for key in achievements:
+            # check players' achievement in list of instances
+            if key not in players[i].achievements:
+                missing.add(key)
+        print(f"{black_for}{pink_bak}{players[i].name}"
+              f" is missing\033[0m {missing}")
+        i += 1