Update app.py

web search tool

app.py

@@ -18,6 +18,18 @@ def my_cutom_tool(arg1:str, arg2:int)-> str: #it's import to specify the return
     """
     return "What magic will you build ?"
 
+@tool
+def search_string_on_web(query: str) -> str:
+    """A tool that searches for a given string on the web and returns relevant information.
+    Args:
+        query: A string representing the search query.
+    """
+    res = DuckDuckGoSearchTool().search.invoke(query)
+    if res:
+        return res
+    else:
+        return "No relevant information found"
+        
 @tool
 def get_current_time_in_timezone(timezone: str) -> str:
     """A tool that fetches the current local time in a specified timezone.