From 7e3ca26e975a99bf65a556a3c9a19225f2e2329e Mon Sep 17 00:00:00 2001
From: David GAILLETON <david.gailleton@posteo.net>
Date: Mon, 2 Feb 2026 12:24:35 +0100
Subject: [PATCH] Improved ex3

---
 03/ex1/ft_score_analytics.py     |  9 +-------
 03/ex2/ft_coordinate_system.py   | 17 ++--------------
 03/ex3/ft_achievement_tracker.py | 35 ++++++++++++++++++++++++++++++++
 3 files changed, 38 insertions(+), 23 deletions(-)
 create mode 100644 03/ex3/ft_achievement_tracker.py

diff --git a/03/ex1/ft_score_analytics.py b/03/ex1/ft_score_analytics.py
index db4f237..e8d37f6 100644
--- a/03/ex1/ft_score_analytics.py
+++ b/03/ex1/ft_score_analytics.py
@@ -11,14 +11,7 @@ if __name__ == "__main__":
             while i < len(args) - 1:
                 scores[i] = int(args[i + 1])
                 i = i + 1
-            print("Scores processed: [", end="")
-            i = 0
-            while i < len(scores):
-                print(scores[i], end="")
-                if not i == len(scores) - 1:
-                    print(", ", end="")
-                i = i + 1
-            print("]")
+            print("Scores processed:", scores)
             print("Total players:", len(scores))
             print("Total score:", sum(scores))
             print("Average score:", sum(scores) / len(scores))
diff --git a/03/ex2/ft_coordinate_system.py b/03/ex2/ft_coordinate_system.py
index 95342d2..8014c1a 100644
--- a/03/ex2/ft_coordinate_system.py
+++ b/03/ex2/ft_coordinate_system.py
@@ -4,19 +4,7 @@ import sys
 
 def print_distance(a: tuple[int, int, int], b: tuple[int, int, int]) -> None:
     distance = math.sqrt((a[0]-b[0])**2+(a[1]-b[1])**2+(a[2]-b[2])**2)
-    print("Distance between (", end="")
-    print(a[0], end="")
-    print(", ", end="")
-    print(a[1], end="")
-    print(", ", end="")
-    print(a[2], end="")
-    print(") and (", end="")
-    print(b[0], end="")
-    print(", ", end="")
-    print(b[1], end="")
-    print(", ", end="")
-    print(b[2], end="")
-    print("):", distance)
+    print(f"Distance between: {a} and {b}: {distance}")
 
 
 if __name__ == "__main__":
@@ -32,8 +20,7 @@ if __name__ == "__main__":
         print("Parsing coordinates:", args[1])
         print_distance((0, 0, 0), int_args)
     except ValueError as err:
-        print("Parsing invalid coordinates: \"", end="")
-        print(argv[1], end="\"\n")
+        print(f"Parsing invalid coordinates: \"{argv[1]}\"")
         print(err)
     except Exception as err:
         print(err)
diff --git a/03/ex3/ft_achievement_tracker.py b/03/ex3/ft_achievement_tracker.py
new file mode 100644
index 0000000..2257fcf
--- /dev/null
+++ b/03/ex3/ft_achievement_tracker.py
@@ -0,0 +1,35 @@
+class Player:
+    __name: str
+    __achievements: set[str]
+
+    def __init__(self, name:str, achievements: set[str]) -> None:
+        self.__name = name
+        self.__achievements = achievements
+
+    def get_name(self) -> str:
+        return self.__name
+
+    def get_achievements(self) -> set[str]:
+        return self.__achievements
+
+
+if __name__ == "__main__":
+    players = [
+        Player("Alice", set(('first_kill', 'level_10', 'treasure_hunter', 'speed_demon'))),
+        Player("Bob",set(('first_kill', 'level_10', 'boss_slayer', 'collector'))),
+        Player("Charlie", set(('level_10', 'treasure_hunter', 'boss_slayer', 'speed_demon', 'perfectionist')))
+    ]
+    print("=== Achievement Tracker System ===\n")
+    for n in players:
+        print(f"Player {n.get_name()} achievements: {n.get_achievements()}")
+    print("\n=== Achievement Analytics ===")
+    unique_achievements = players[0].get_achievements() | players[1].get_achievements() | players[2].get_achievements()
+    print(f"All unique achievements: {unique_achievements}")
+    print(f"Total unique achievements: {len(unique_achievements)}")
+    common_achievements = players[0].get_achievements() & players[1].get_achievements() & players[2].get_achievements()
+    print(f"\nCommon to all players: {common_achievements}")
+    p0_achievements = players[0].get_achievements() - players[1].get_achievements() - players[2].get_achievements()
+    p1_achievements = players[0].get_achievements() - players[1].get_achievements() - players[2].get_achievements()
+    p2_achievements = players[0].get_achievements() - players[1].get_achievements() - players[2].get_achievements()
+    print(f"Rare achievements (1 player): {rare_achievements}")
+