Update app.py

app.py

@@ -1,10 +1,22 @@
 import gradio as gr
 
 
-def greet(name):
-    return "Hello " + name
+def flip_text(x):
+    return x[::-1]
 
 
-demo = gr.Interface(fn=greet, inputs="text", outputs="text")
+demo = gr.Blocks()
+
+with demo:
+    gr.Markdown(
+        """
+    # Flip Text!
+    Start typing below to see the output.
+    """
+    )
+    input = gr.Textbox(placeholder="Flip this text")
+    output = gr.Textbox()
+
+    input.change(fn=flip_text, inputs=input, outputs=output)
 
 demo.launch()