add textbox clear

app.py

@@ -140,6 +140,9 @@ with gr.Blocks() as demo:
     clear = gr.Button("상담 새로 시작")
     txt.submit(predict, inputs=[txt, chatbot, state], outputs=[chatbot, state]
     )
+    txt.submit(lambda x: "", txt, txt)
     clear.click(lambda: None, None, chatbot, queue=False)
+    clear.click(lambda x: "", txt, txt)
+    
 demo.launch()