save project

func.py

@@ -13,5 +13,9 @@ def sb():
                 total.append(unit)
     #print(totle,"这是内部")
     return totle
-
-print(sb)
\ No newline at end of file
+def sum(money):
+    count = 0
+    for i in money:
+        count = count+i
+    return count
+print("你共花了"+str(sum(sb)))+"元！扫码还是现金？"
\ No newline at end of file