diff --git a/examen.py b/examen.py
index 4432d36c6aa54b133b3bea221f5f3fcf5cd14043..e6afb2e1c55602c90a84be2397c8c7509d871eab 100644
--- a/examen.py
+++ b/examen.py
@@ -20,10 +20,12 @@ class TabletteChocolat:#création de la classe
         g=[]
         for i in range(self.m):
             for j in range(self.n):
-                g.append(i,j)
+                g.append((i,j))
         return g
 
-
+    def est_possible(self,i,j):
+        if isinstance((i,j),self.coups_possibles()):
+            return True
 #Programme principal
 #if __name__=='main':
 t = TabletteChocolat(3,4)