Update app.py

app.py

@@ -1,7 +1,11 @@
+# code = utf-8
+
 import gradio
 
-def greet(name:str) -> str:
-    return "hallochen " + name
+def greet(input:str) -> str:
+    if input.endwith("吗？")
+        return input[ : -2] + "。"
+    return input
 
 demo = gradio.Interface(
     fn = greet,