auto save

func.py

-def totalnum():
-    total = []
-    num =0
+def jkun():
+    jikun = []
     while True:
         unit= input("请输入：")
         if unit== 'q':
             break
         else:
-            total.append(int(unit))
-    print(total)
-    for i in total:
-        num = i+ num
-    print("本次消费:"+str(num)+"元")     
-totalnum()   
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+            try:
+                new_input = int(unit)
+            except(ValueError):
+                print("请输入一个整数")
+            else:
+                jikun.append(new_input)   
+    print(jikun)  
+jkun()   
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