save project

func.py

+def func():
+    total = []
+    while True:
+        unit= input("请输入：")
+        if unit== 'q':
+            break
+        else:
+            try:
+                unit = int(unit)
+            except:
+                print('请重新输入一个数字') 
+            else:
+                total.append(unit)       
+            finally:
+                print("-"*30)
+    return total
+def sum(money):
+    count = 0
+    for i in money:
+        count = count + i
+    return count
+price = func()
+pay = sum(price)    
+print('您一共消费了' + str(pay) + '元！扫码还是现金呢')
+