adding video examples as Radio

app.py

@@ -21,12 +21,11 @@ MAX_INPUT_TOKEN_LENGTH = 4000
 DEFAULT_CHAR_LENGTH = 1000
 
 EXAMPLES = ["https://www.youtube.com/watch?v=aircAruvnKk&ab_channel=3Blue1Brown",
-            "https://www.youtube.com/watch?v=5p248yoa3oE&ab_channel=StanfordOnline",
-            "https://www.youtube.com/watch?v=Ilg3gGewQ5U" ]
+            "https://www.youtube.com/watch?v=Ilg3gGewQ5U",
+            "https://www.youtube.com/watch?v=WUvTyaaNkzM","https://www.youtube.com/watch?v=5p248yoa3oE&ab_channel=StanfordOnline"
+            ]
 
 
-def loading_file():
-    return "Loading..."
 
 def clear_chat():
     return []
@@ -181,7 +180,8 @@ with gr.Blocks(css=css) as demo:
                     step = 500,value= 1500
                 )
     
-    
+    examples_set.change(fn=youtube_chat, inputs=[examples_set,API_key,LLM_option,temperature,max_new_tokens,char_length], outputs=[langchain_status])
+
     load_youtube_bt.click(youtube_chat,inputs= [youtube_link,API_key,LLM_option,temperature,max_new_tokens,char_length],outputs=[langchain_status], queue=False)  
     clean_chat_btn.click(clear_chat, [], chatbot)