auto save

func.py

 def a():
-total = []
+    total = []
     while True:
         unit= input("请输入：")
         if unit== 'q':
@@ -12,5 +12,15 @@ total = []
             else:
                 total.append(unit)
             print("-"*35)
-    print(total)
-a()
+    return total
+
+def sum(money):
+    count=0
+    for i in money:
+        count=count+i
+    return count
+
+b=a()
+pay=sum(b)
+print("您一共支付了"+str(pay)+"元")
+