diff --git a/projet/Decouper_Image.py b/projet/Decouper_Image.py
index 822912d586e03cdd4bd72e14abec38c60ac5d6c9..b25e02153c508e8633695e4686e9a514f207b535 100644
--- a/projet/Decouper_Image.py
+++ b/projet/Decouper_Image.py
@@ -25,32 +25,28 @@ def decouper(file: str) -> list[Image]:
     l  = [block_1, block_2, block_3, block_4]
     return l
 
-def avg_col(l:tuple) -> list[int]:
+def avg_col(l:list) -> tuple():
     """renvoie la couleur moyenne d'une liste de couleurs
 
     Précondition : 
     Exemple(s) :
-    $$$ 
+    $$$ avg_col([(236, 210, 111), (236, 210, 111), (236, 210, 111), (236, 210, 111)])
+    (236, 210, 111)
 
     """
-    n_col = len(l)
-    if n_col == 0:
-        return None
-    else:
-        c1 = 0
-        c2 = 0
-        c3 = 0
-        for i in l:
-            c1 = c1 + l[0]
-            c2 = c2 + l[1]
-            c3 = c3 + l[2]
-        avg1 = c1 / n_col
-        avg2 = c2 / n_col
-        avg3 = c3 / n_col
+    c1 = 0
+    c2 = 0
+    c3 = 0
+    for col in l:
+        c1 += col[0]
+        c2 += col[1]
+        c3 += col[2]
+    avg1 = c1 // len(l)
+    avg2 = c2 // len(l)
+    avg3 = c3 // len(l)
     return (avg1, avg2, avg3)
 
 
-
 def list_col(im: Image, left_top: tuple(), right_bottom: tuple()) -> list[int]:
     """à_remplacer_par_ce_que_fait_la_fonction
 
@@ -65,8 +61,8 @@ def list_col(im: Image, left_top: tuple(), right_bottom: tuple()) -> list[int]:
     return [im.getpixel((x, y)) for x in range(x_max+1) for y in range(y_max+1)]
 
 def is_col_close(color1: tuple(), color2: tuple()) -> bool:
-    """returns True if the distance between two colors is not more than 50,
-    returns False if the distance is more than 50
+    """returns True if the distance between two colors is not more than 30,
+    returns False if the distance is more than 30
 
     Précondition : 
     Exemple(s) :