Update app.py

app.py

@@ -23,6 +23,9 @@ def get_current_time_in_timezone(timezone: str) -> str:
     """A tool that fetches the current local time in a specified timezone.
     Args:
         timezone: A string representing a valid timezone (e.g., 'America/New_York').
+
+    Returns: 
+         string:  A string with time using the  12-hour clock including  AM/PM
     """
     try:
         # Create timezone object