Create app.py

app.py

@@ -0,0 +1,12 @@
+import gradio as gr
+
+def simple_chat(message, history):
+    return history + [[message, f"Echo: {message}"]]
+
+demo = gr.ChatInterface(
+    fn=simple_chat,
+    title="Test App",
+    description="Gradio 5.x Test"
+)
+
+demo.launch()