diff --git a/python/introduction/part-3.json/src/app.py b/python/introduction/part-3.json/src/app.py
index 351c3a9..a788824 100644
--- a/python/introduction/part-3.json/src/app.py
+++ b/python/introduction/part-3.json/src/app.py
@@ -50,4 +50,5 @@ updateCustomers(customerDict)
 customers = getCustomers()
 customers["i"] = Customer("i", "Bob", "Smith").__dict__
 
-updateCustomers(customers)
\ No newline at end of file
+updateCustomers(customers)
+print(customers)
\ No newline at end of file