Add DuckDuckGo web search

app.py

@@ -18,6 +18,19 @@ def my_custom_tool(arg1:str, arg2:int)-> str: #it's import to specify the return
     """
     return "What magic will you build ?"
 
+@tool
+def web_search_tool(search:str) -> str:
+    """A tool that searches the web
+    Args:
+        search: A string representing the query to be searched on the web (e.g., 'What are the news for New York today?')
+    """
+    try:
+        # Get results from DuckDuckgo
+        search_tool = DuckDuckGoSearchTool()
+        return search_tool(search)
+    except Exception as e:
+        return f"Error getting results from DuckDuckGo"
+
 @tool
 def get_current_time_in_timezone(timezone: str) -> str:
     """A tool that fetches the current local time in a specified timezone.