save project

func.py

@@ -5,11 +5,19 @@ def mnm():
         if unit== 'q':
             break
         else:
+            try:
+                unit = int (unit)
+            except:
+                print('wrong')
+            else:
                 total.append(unit)
     print(total)
 
-try:
-    age = int (input('how old are you?'))
-except:
-    print('it must be a 整number')
-print('finish')
\ No newline at end of file
+mnm()
+ 
+def add(x,y):
+    z = x + y
+    print('z的值为:' , z) 
+    return z
+
+result=add(1,2)
\ No newline at end of file