Update app.py

app.py

@@ -18,6 +18,20 @@ def my_custom_tool(arg1:str, arg2:int)-> str: #it's import to specify the return
     """
     return "What magic will you build ?"
 
+@tool
+def get_joke(category: str) -> str:
+    """Returns a random joke from a specified category.
+    Args:
+        category: A joke category, e.g. 'dad' or 'programming'.
+    """
+    # Here you could call an external API or just pick from a dictionary.
+    jokes = {
+      "dad": "Why did the scarecrow get promoted? Because he was outstanding in his field!",
+      "programming": "Why do programmers prefer dark mode? Because light attracts bugs."
+    }
+    return jokes.get(category.lower(), "No jokes in that category.")
+
+
 @tool
 def get_current_time_in_timezone(timezone: str) -> str:
     """A tool that fetches the current local time in a specified timezone.