diff --git a/Chapitre 2 - Récursivité/exercices.py b/Chapitre 2 - Récursivité/exercices.py
index 27ca515..4f0168c 100644
--- a/Chapitre 2 - Récursivité/exercices.py	
+++ b/Chapitre 2 - Récursivité/exercices.py	
@@ -125,7 +125,7 @@ turtle.up()
 turtle.goto(-200, -200)
 turtle.down()
 turtle.forward(200)
-triangle(5, 200)
+triangle(2, 200)
 turtle.forward(200)
 for i in range(2):
     turtle.left(120)
@@ -142,3 +142,24 @@ def expo_rapide(x, n):
 
 print(expo_rapide(2, 10000))
 
+def hanoi(k, source, aide, but):
+    if k == 0: return
+    hanoi(k-1, source, but, aide)
+    print(k, ":", source, "->", but)
+    but.append(source.pop())
+    hanoi(k-1, aide, source, but)
+
+hanoi(4, [4, 3, 2, 1], [], [])
+
+def better_hanoi(k, source, aide, but, aff=None):
+    if aff is None:
+        aff = (source, aide, but)
+        print(aff[0], aff[1], aff[2])
+    if k == 0: return
+    better_hanoi(k-1, source, but, aide, aff)
+    print(aff[0], aff[1], aff[2])
+    but.append(source.pop())
+    better_hanoi(k-1, aide, source, but, aff)
+
+
+better_hanoi(4, [4, 3, 2, 1], [], [])
\ No newline at end of file