Update app.py

app.py

@@ -1,9 +1,8 @@
-   import gradio as gr
-   alist=[]
-   def add21ist(name):
-       num=int(num)
-       alist.append(num)
-       return alist
-
-   iface = gr.Interface(fn=add21ist, inputs="text", outputs="text")
-   iface.lanuch()
+import gradio as gr
+alist=[]
+def add21ist(name):
+    num=int(num)
+    alist.append(num)
+    return alist
+iface = gr.Interface(fn=add21ist, inputs="text", outputs="text")
+iface.lanuch()