save project

func.py

@@ -8,4 +8,8 @@ def mnm():
             total.append(unit)
     print(total)
 
-mnm()
\ No newline at end of file
+try:
+    age = int (input('how old are you?'))
+except:
+    print('it must be a 整number')
+print('finish')
\ No newline at end of file