diff --git a/projet_tkinter.py b/projet_tkinter.py
index bab9a19..517c153 100644
--- a/projet_tkinter.py
+++ b/projet_tkinter.py
@@ -2,7 +2,14 @@ import tkinter as tk
 from random import randint
 
 def conversion(nombre):
-    for element in lst
+    base_16 = ""
+    while nombre > 0 :
+        reste = nombre % 16
+        nombre = nombre // 16
+        base_16 = reste + base_16
+        
+    return base_16
+        
 
 fenetre = tk.Tk()
 value = tk.StringVar()