add more example to gradio app

app.py

@@ -26,7 +26,10 @@ def gradio_app():
         submit_btn = gr.Button("Submit")
         
         # Example inputs
-        examples = [['https://www.youtube.com/watch?v=wDVteayWWvU', 'about Q learning using neural network which is good in case of milliions of possible states like chess game']]
+        examples = [['https://www.youtube.com/watch?v=wDVteayWWvU', 'Q learning using neural network which is good in case of milliions of possible states like chess game'],
+                    ['https://www.youtube.com/watch?v=00jbG_cfGuQ, https://www.youtube.com/watch?v=sQK3Yr4Sc_k', 'Krebs cycle'],
+                    ['https://www.youtube.com/watch?v=62wEk02YKs0', 'how caffaine actaully works']
+                    ]
         
         # Define the action on submit
         submit_btn.click(fn=langchain_retrieval_invoke, inputs=[video_ids, content], outputs=[url_output, summary_output])