save project

func.py

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

绝对是.py

+try:
+try:
+    age=int(input("你今年几岁了？"))
+except:
+    print("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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