摘要:
# ### 装饰器: ''' 装饰器:在不改变原有代码的情况下,为该原函数扩展新功能 特征:返回新函数,替换旧函数 语法:@ (语法糖) ''' # (1) 装饰器原型: def kuozhan(func): def newfunc(): print("厕所前,屁滚尿流") func() print("厕所后,站不起来") return newfunc def func()... 阅读全文
摘要:
# -*- coding: utf-8 -*- import time # 展品展示 goods_list = [ {"name": "电脑", 'price': 1999, "num": 20, "sum": "有现货"}, {"name": "鼠标", 'price': 10, "num": 20, "sum": "有现货"}, {"name" 阅读全文