Update app.py

app.py

@@ -5,7 +5,12 @@ def greet(text):
     print('start sleep')
     time.sleep(20)
     print('end sleep')
-    return " Echo " + text
+    print(text)
 
-iface = gr.Interface(fn=greet, inputs="text", outputs="text")
-iface.launch()
+with gr.Blocks() as demo:
+    input_text = gr.Textbox()
+    output_text = gr.Textbox()
+    btn = gr.Button("Run")
+    btn.click(fn=greet, inputs=input_text)
+
+demo.launch()