diff --git a/exercice1.py b/exercice1.py
index 8d9ea35b445a2f8b50c8a5f603cbe59da0c9b7d2..013c32244f3d0c55c36c023a6b925949f1612bcc 100644
--- a/exercice1.py
+++ b/exercice1.py
@@ -1 +1,9 @@
-#copy past your code here
\ No newline at end of file
+#copy past your code here
+#one function example :
+def foo():
+    print("Hello World")
+
+#From here, this is the main of your program
+print("I'll call my function foo")
+foo()
+#End of the prog