auto save

.py

+def new():
+    total = []
+    while True:
+        money =input("请输入")
+        if money =='q':
+            break
+        else:
+            try:
+                money=int(money)
+            except:
+                print("请重输")
+            else:
+                total.append(money)
+    return total
+def sum(money):
+    count =0
+    for i in money:
+        count=count+i
+    return count
+price = new()
+pay=sum(price)
+print("您一共消费了"+str(pay)+"元！扫码还是现金呢？")
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