Update app.py

app.py

@@ -1,7 +1,10 @@
 import gradio as gr
+alist=[]
+def add21list(num):
+    num=int(num)
+    alist.append(num)
+    return alist
 
-def greet(name):
-    return "Hello " + name + "!!"
 
-iface = gr.Interface(fn=greet, inputs="text", outputs="text")
+iface = gr.Interface(fn=add2list, inputs="text", outputs="text")
 iface.launch()