diff --git a/015_add_numbers.py b/015_add_numbers.py
index ef3768cf..ac9d5019 100644
--- a/015_add_numbers.py
+++ b/015_add_numbers.py
@@ -11,7 +11,11 @@
 # * Returns the result
 
 # YOUR FUNCTION GOES BELOW THIS LINE
+def add_numbers(num_a, num_b):
+  return num_a + num_b
 
+result = add_numbers(5, 3)
+print(result)
 
 
 # YOUR FUNCTION GOES ABOVE THIS LINE