Update app.py

app.py

@@ -16,10 +16,10 @@ def main():
     with gr.Blocks() as demo:
         with gr.Row():
             with gr.Column(scale=3):
-                text_input = gr.Textbox()
+                text_input = gr.Textbox(lines=4, placeholder="Input prompt")
         with gr.Row():
             with gr.Column(scale=1):
-                text_output = gr.Textbox()
+                text_output = gr.Textbox(lines=4, placeholder="Output prompt")
         with gr.Row():
             text_button = gr.Button("Send")
         text_button.click(res, text_input, text_output)