Update app.py

app.py

@@ -45,8 +45,8 @@ def get_users_name(favorite_animal: str, favorite_food: str) -> str:
         favorite_food: The AI's favorite food (hopefully will be interesting).
     """
     name = []
-    for characters in zip(favorite_animal, favorite_food):
-        name.extend(characters)
+    for first, last in zip(favorite_animal, favorite_food):
+        name.extend(first, last.lower())
     return "".join(name)