auto save

func.py

 total = []
 def new_input():
     while True:
-        unit= input("请输入：")
+        unit=input("请输入：")
         if unit== 'q':
             break
         else:
+            try:
+                unit=int(unit)
+            except:
+                print("请输入整数")
+            else:
                 total.append(unit)
-    print(total)
+            print("-"*30)
+    return total
+
+def sum(money):
+    count = 0
+    for i in money:
+        count = count + i
+    return count
 
-new_input()
 
+price = new_input()
+pay=sum(price)
+print("您一共消费了" + str(pay) + "元！ 扫码还是现金")
\ No newline at end of file