Update app.py

app.py

@@ -52,10 +52,18 @@ image_generation_tool = load_tool("agents-course/text-to-image", trust_remote_co
 
 with open("prompts.yaml", 'r') as stream:
     prompt_templates = yaml.safe_load(stream)
+
+def say_hello(name: str) -> str
+    """Say hello to someone.
+    Args:
+        name: the person's name
+    """
+    return f"Hello {name}, welcome to this Hugging Face agent"
+
     
 agent = CodeAgent(
     model=model,
-    tools=[final_answer], ## add your tools here (don't remove final answer)
+    tools=[final_answer, say_hello], ## add your tools here (don't remove final answer)
     max_steps=6,
     verbosity_level=1,
     grammar=None,