auto save

func.py

@@ -5,7 +5,15 @@ def ab():
         if unit== 'q':
             break
         else:
+            try:
+                unit=int(unit)
+            except:
+                print("输入错误，请重新输入一个数字")
+            else:
                 total.append(unit)
-    print(total)
-ab()
+            print("_"*30)
+    return total
+        
+c=ab()
+print(c)
    
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