Add app.py and requirements.txt files

app.py

@@ -0,0 +1,10 @@
+def greet(name):
+    return "Hello" + name + "!!"
+
+iface = gr.Interface(fn=greet,
+                     inputs="text",
+                     outputs="text",
+                     title="Simple Application",
+                     description= "for demo")
+
+iface.launch()

requirements.txt

@@ -0,0 +1,2 @@
+numpy
+gradio