users_dic = [{
   'name':'zsz','passwd':'123'},            {
    'name':'alex','passwd':'123'},            {
    'name':'lhf','passwd':'123'}]current_dic = {
   "username":None,"Login":False}def auth_func(func):    def wrapper(*args,**kwargs):        if current_dic["username"] and current_dic["Login"]:            res = func(*args,**kwargs)            return res        username = input("用户名：").strip()        passwd = input("密码：").strip()        for user_dic in users_dic:            if username == user_dic['name'] and passwd == user_dic['passwd']:                current_dic["username"] = username                current_dic["Login"] = True                res = func(*args, **kwargs)                return res        else:            print("用户名或者密码错误")    return wrapper@auth_func  #home = auth_func(home)def home():    print("欢迎回家")@auth_func  #home = auth_func(home)def shopping():    print("购物车里有：牛奶，面包，大米")home()shopping()

输出结果：

用户名：zsz

密码：123

欢迎回家

购物车里有：牛奶，面包，大米