diff --git a/ARE-DYNAMIC.py b/ARE-DYNAMIC.py
index 7f66032..c6a24a3 100644
--- a/ARE-DYNAMIC.py
+++ b/ARE-DYNAMIC.py
@@ -8,9 +8,17 @@
 ###     constancepoulain ()
 ###
 
+######################
+### Importations
+
+import numpy
+
 ######################
 ### Variables Globales
 
+# Grille
+Grille = numpy.ndarray()
+
 # taille de la grille
 TailleGrilleX = 15
 TailleGrilleY = 15