Update app.py

app.py

@@ -1,9 +1,12 @@
 import gradio as gr
 
-def greet(inp):
+def greet(inp, messages):
+    messages.append(inp)
+    print(messages)
     return "Hello " + inp + "!"
     
 with gr.Blocks() as demo:
+    stored_message = gr.State([])
     with gr.Row():
         with gr.Column(scale=2):
             text1 = gr.Textbox(lines=7, label="Prompt", scale=2)
@@ -13,6 +16,6 @@ with gr.Blocks() as demo:
                 btn3 = gr.Button("Clean Memory", scale=2)
         with gr.Column(scale=2):
             out_text = gr.Text(lines=15, label="Output", scale=2)
-    btn1.click(fn=greet, inputs=text1, outputs=out_text)
+    btn1.click(fn=greet, inputs=[text1, stored_message], outputs=out_text)
     btn2.click(lambda: [None, None], outputs=[text1, out_text])
 demo.launch()