Update app.py

app.py

@@ -19,9 +19,10 @@ with gr.Blocks() as demo:
     dropdown = gr.Dropdown(label="Select", multiselect=True, choices=["a0", "b0"])
     dropdown2 = gr.Dropdown(label="Select", multiselect=True)
     state = gr.State()
+    clear = gr.Button("Clear")
 
     gr.on(
-        [demo.load],
+        [demo.load, clear.click],
         fn=init_choices,
         outputs=state,
     ).then(