refactor: polish

app.py

@@ -51,7 +51,11 @@ with gr.Blocks() as demo:
 
     with gr.Row():
         gr.Textbox("Alfred said that")
-        alfred_result = gr.Markdown(value="", min_height=300, container=True)
+
+    with gr.Row():
+        alfred_result = gr.Markdown(
+            value="", label="Alfred said that", min_height=300, container=True
+        )
     gr_df.select(fn=get_ecg_id_from_dataframe, inputs=gr_df, outputs=ecg_id_output)
     ecg_id_output.change(
         fn=get_ecg_image_from_dataframe, inputs=ecg_id_output, outputs=ecg_viewer