Update app.py

app.py

@@ -17,7 +17,7 @@ def Web_Search(arg1:str)-> str: #it's import to specify the return type
         arg2: the second argument
     """
     try:
-        result = DuckDuckGoSearchTool('What are agents')
+        result = DuckDuckGoSearchTool(arg1)
         return result
     except Exception as e:
         return f'[Error] {e}'