auto save

func.py

@@ -10,7 +10,12 @@ def a():
             print("请重新输入：")
         else:
             total.append(b)
-    #print(total)
     return total
 b=a()
-print(b[1])  
\ No newline at end of file
+def sum(m):
+    c=0
+    for i in m:
+        c=c+i
+    print("您一共消费"+str(c)+"元。")
+sum(b)
+     
\ No newline at end of file