Update app.py

app.py

@@ -1,8 +1,7 @@
 import gradio as gr
 
-#def greet(name):
-    #return "Hello " + name + "!!"
+def echo(message, history):
+    return message
 
-#iface = gr.Interface(fn=greet, inputs="text", outputs="text", title="Hello world")
-iface = gr.Interface(title="Hello world")
-iface.launch()
+demo = gr.ChatInterface(fn=echo, examples=["hello", "hola", "merhaba"], title="Echo Bot")
+demo.launch()