diff --git a/main.py b/main.py
index c14fe74..5e34758 100644
--- a/main.py
+++ b/main.py
@@ -1,3 +1,4 @@
+from random import randint
 class Personnage:
     def __init__(self, nom, cat):
         self.nom = nom
@@ -7,14 +8,39 @@ class Personnage:
         self.inventaire = []
     
     def jet_attaque(self):
-        pass
+        de = randint(1,20)
+        if self.cat == "guerrier" or self.cat == "magicien":
+            coef = 10
+        elif self.cat == "voleur":
+            coef = 3
+        else:
+            coef = 8
+        return de+(self.exp*coef)
+          
     def jet_defense(self):
-        pass
+        de = randint(1,20)
+        if self.cat == "guerrier":
+            coef = 8
+        elif self.cat == "magicien":
+            coef = 7
+        elif self.cat == "voleur":
+            coef = 9
+        else:
+            coef = 10
+        return  de+(self.exp*coef)
+    
     def change_pdv(self):
         pass
+    
     def change_exp(self):
         pass
+    
     def affiche_caracteristique(self):
         pass
+    
     def affiche_inventaire(self):
-        pass
\ No newline at end of file
+        pass
+    
+xuan = Personnage("xuan", "guerrier")
+
+    
\ No newline at end of file