save project

demo1.py

+try:
+    age = int(input('你今年几岁了？'))
+except:
+    print('输入错误了，要输入整数啊')
+else:
+    if age < 18:
+        print('不可以喝酒噢！！！')
+print('程序结束---')
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func.py

+def new_input():
+    total = []
+    while True:
+        unit = input("请输入：")
+
+        if unit== 'q':
+            break
+        else:
+            try:
+                money = int(unit)
+            except:
+                print('请重新输入一个数字')
+            else:
+                total.append(money)
+            print('*'*30)
+    return total
+
+def sum(money): #money 是一个形参，传入 一个列表 [12,13,14,15]
+    count = 0
+    for i in money:
+        count = count + i
+    return count
+
+
+result = new_input()
+pay = sum(result)
+print('您一共消费了'+str(pay)+'元！扫码还是现金呢？')
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