Update app.py

app.py

@@ -1,6 +1,6 @@
 import gradio as gr
 
-# Simple rule-based chatbot logic
+# ✅ Simple rule-based chatbot logic
 def chatbot_response(message):
     message = message.lower()
 
@@ -17,13 +17,24 @@ def chatbot_response(message):
     else:
         return "I'm not sure how to help with that. Can you ask about shipping, returns, or the product?"
 
-iface = gr.Interface(
-    fn=chatbot_response,
-    inputs=gr.Textbox(placeholder="Ask me about the SmartHome Hub Pro..."),
-    outputs="text",
-    title="Tech Gadget Chatbot",
-    description="Ask about product features, returns, or shipping."
-)
+# ✅ Usage instructions for testers
+instructions = """
+### 💡 How to Use the Chatbot:
+Ask about:
+- **Shipping** — "When will my order arrive?"
+- **Returns** — "How do I return the product?"
+- **Product details** — "What does the SmartHome Hub Pro do?"
+"""
+
+with gr.Blocks() as demo:
+    gr.Markdown(instructions)
+    gr.Interface(
+        fn=chatbot_response,
+        inputs=gr.Textbox(placeholder="Ask me about the SmartHome Hub Pro..."),
+        outputs="text",
+        title="Tech Gadget Chatbot",
+        description="Ask about product features, returns, or shipping."
+    )
 
 if __name__ == "__main__":
-    iface.launch()
+    demo.launch()