diff --git a/Exercice5/main.py b/Exercice5/main.py
new file mode 100644
index 0000000..a5afa83
--- /dev/null
+++ b/Exercice5/main.py
@@ -0,0 +1,5 @@
+def sum(a, b):
+    return a + b
+ 
+def subtraction(a, b):
+    return a - b