diff --git a/py_main.py b/py_main.py
new file mode 100644
index 0000000..d305b2f
--- /dev/null
+++ b/py_main.py
@@ -0,0 +1,17 @@
+import numpy as np
+def lecture(name):
+    lst_date = []
+    lst_conso = []
+    lst_t_moy = []
+    lst_t_ref = []
+    with open(name) as fic:
+        fic.readline()
+        for ligne in fic: 
+            date,conso, t_moy, t_ref = ligne.split(';')
+            lst_date.append(date)
+            lst_conso.append(float(conso))
+            lst_t_moy.append(float(t_moy))
+            lst_t_ref.append(float(t_ref))
+    return(np.array(lst_date), np.array(lst_conso), np.array(lst_t_moy), np.array(lst_t_ref))
+            
+def 
\ No newline at end of file