diff --git a/lecture_csv.py b/lecture_csv.py
index 80f8478..b04ea4b 100644
--- a/lecture_csv.py
+++ b/lecture_csv.py
@@ -1,9 +1,19 @@
 import datetime
 
+def estBissextile(date):
+    date = date.split("-")
+    if int(date[0])%4 == 0:
+        return True
+    else:
+        return False
+    
+    
+
 def numeroJour(date):
     """renvoie un entier correspondant au numéro du jour correspondant (entre 1 et 365)"""
     try: 
         day = datetime.datetime.strptime(date, "%Y-%m-%d")
+        print(estBissextile(date))
         num_day = day.strftime('%j')
         return int(num_day)
     except(ValueError):
@@ -21,4 +31,8 @@ def lecture(name):
             lst_return.append([float(pic), tuple_date])
             
     return lst_return
-        
\ No newline at end of file
+
+lecture("jeuTests.csv")
+        
+
+    
\ No newline at end of file