save project

func.py

+def a():
+    total = []
+    while True:
+        unit= input("请输入：")
+        if unit== 'q':
+            break
+        try:
+            s=int(unit)
+        except:
+            print('请重新输入')
+        else:
+            total.append(unit)
+    return total
+def o(money):
+    count=0
+    for i in money:
+        count=count+int(i)
+    return count
+b=a()
+c=o(b)
+print(c)
+print('您一共消费'+str(c)+'元！扫码还是现金？')
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