adding video examples as Radio and linking to fn

app.py

@@ -22,7 +22,7 @@ DEFAULT_CHAR_LENGTH = 1000
 
 EXAMPLES = ["https://www.youtube.com/watch?v=aircAruvnKk&ab_channel=3Blue1Brown",
             "https://www.youtube.com/watch?v=Ilg3gGewQ5U",
-            "https://www.youtube.com/watch?v=WUvTyaaNkzM","https://www.youtube.com/watch?v=5p248yoa3oE&ab_channel=StanfordOnline"
+            "https://www.youtube.com/watch?v=WUvTyaaNkzM"
             ]
 
 
@@ -148,7 +148,7 @@ with gr.Blocks(css=css) as demo:
             API_key = gr.Textbox(label="Add API key", type="password",autofocus=True)
     
     with gr.Group():    
-        chatbot = gr.Chatbot(height=250)
+        chatbot = gr.Chatbot(height=220)
         examples_set = gr.Radio(label="Examples of some You tube Videos",choices=EXAMPLES)
     
     with gr.Row():