auto save

func.py

 def new_input():
     total = []
     while True:
-        unit= input("请输入:(q退出)")
-        if unit== 'q':
+        money= input("请输入:(q退出)")
+        if money== 'q':
             break
         else:
             try:
-                unit=int(unit)
+                money=int(money)
             except:
                 print('请重新输入一个数字') 
             else:
-                total.append(unit)
-            print('_'*30)
-        print(total)
-new_input()
\ No newline at end of file
+                total.append(money)
+            finally:
+                print('_'*30)
+    return total
+def sum (money):
+    a=0
+    for i in money:
+        a=a+i
+    return a
+
+price=new_input()
+pay=sum(price)
+print('您一共消费了'+str(pay)+'元!扫码还是现金呢?')
\ No newline at end of file