Update app.py

app.py

@@ -69,17 +69,36 @@ def route_question(question, openai_key):
     except Exception as e:
         return f"Error: {str(e)}"
 
+# Example questions for each category
+example_questions = [
+    ["What is LangChain and how does it work?", "your-api-key-here"],
+    ["How do I use OpenAI's GPT models?", "your-api-key-here"],
+    ["What is the capital of France?", "your-api-key-here"],
+    ["Explain LangChain's routing capabilities", "your-api-key-here"],
+    ["Tell me about OpenAI's latest developments", "your-api-key-here"]
+]
+
 # Create Gradio interface
 demo = gr.Interface(
     fn=route_question,
     inputs=[
-        gr.Textbox(label="Enter your question"),
-        gr.Textbox(label="OpenAI API Key", type="password")
+        gr.Textbox(label="Enter your question", placeholder="Type your question here..."),
+        gr.Textbox(label="OpenAI API Key", type="password", placeholder="Enter your OpenAI API key")
     ],
     outputs=gr.Textbox(label="Response"),
     title="LangChain Router Demo",
-    description="This demo shows how routing works in LangChain. Ask questions about LangChain, OpenAI, or any other topic."
+    description="""This demo shows how routing works in LangChain. Ask questions about LangChain, OpenAI, or any other topic.
+    
+    Example questions you can try:
+    - What is LangChain and how does it work?
+    - How do I use OpenAI's GPT models?
+    - What is the capital of France?
+    - Explain LangChain's routing capabilities
+    - Tell me about OpenAI's latest developments
+    """,
+    examples=example_questions,
+    cache_examples=False
 )
 
 if __name__ == "__main__":
-    demo.launch()
+    demo.launch()