diff --git a/alibaba/script.py b/alibaba/script.py
index 735eeb9..218bd0a 100644
--- a/alibaba/script.py
+++ b/alibaba/script.py
@@ -1,2 +1,5 @@
 def my_sum(a, b=0):
     return (a+b)
+
+def my_prod(a, b):
+    return (a*b)