enfin réussi à faire la q.4

examen.py

@@ -16,8 +16,14 @@ class TabletteChocolat:#création de la classe
     def __repr__(self): #surcharge de repr
         return "Tablette de chocolat de"+str(self.m)+"x"+str(self.n)
 
-    def coups_possibles(self):
-        return it.chain((i,0) for i in range(self.m)),(0,j) for j in range(self.n)
+    def coups_possibles(self):#
+        g=[]
+        h=[]
+        for j in range(1,self.n):
+            g.append((0,j))
+        for i in range(1,self.m):
+            h.append((i,0))
+        return it.chain(h,g)
 
 
     def est_possible(self,i,j):
@@ -61,4 +67,4 @@ if True: # __name__=='main':
     t = TabletteChocolat(3,4)
     g = t.coups_possibles()
     print(t)
-    print(g)
+    print(list(g))
\ No newline at end of file