auto save

func.py

@@ -5,7 +5,22 @@ def new_input():
         if unit== 'q':
         if unit== 'q':
             break
             break
         else:
         else:
+            try:
+                unit=int(unit)
+            except:
+                print("请重新输入一个数字")
+            else:
                 total.append(unit)
                 total.append(unit)
-    print(total)
+                print("-"*50)
+    return total
+
+def sum(money):
+    count = 0
+    for i in money:
+        count = count + i
+    return count
+
+price=new_input()
+pay=sum(price)
 
 
-new_input()
+print("最终您一共消费" +str(pay)+"元！，扫码还是现金？")
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