Update app.py

app.py

@@ -12,7 +12,7 @@ def process_json(input_json):
     user_token = data.get("user_token", "Unknown")
 
     # Create a response JSON object
-    response_json = {"message": f"Hello, {name}!{user_token}"}
+    response_json = {"message": f"Hello, {user_id}!{user_token}"}
 
     # Convert the response JSON object to a string
     response_str = json.dumps(response_json)