save project

func.py

@@ -5,6 +5,49 @@ def menu():
         if unit== 'q':
             break
         else:
-            total.append(unit)
+            try:
+                unit=int(unit)
+            except:
+                print('请输入一个整数')    
+            else:
+                total.append(unit)
     print(total)
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 menu()
\ No newline at end of file