# -*- conding:utf-8 -*-class User:    def __init__(self,first_name,last_name,age,sex,phone,login_attempts = 0):        self.first_name = first_name        self.last_name = last_name        self.age = age        self.sex = sex        self.phone = phone        self.login_attempts=login_attempts    def describe_user(self):        print('我叫 %s  %s,今年%d岁，我的电话是%s'%(self.first_name,self.last_name,self.age,self.phone))    def greet_user(self):        print('尊敬的%s,您好！'%self.first_name)     #递增登录次数    def increment_login_attempts(self):        self.login_attempts += 1        print('%s的登录次数为：%d'%(self.first_name,self.login_attempts))     #重置登录次数    def reset_login_attempts(self):        self.login_attempts = 0        print('%s的登录次数为：%d' % (self.first_name, self.login_attempts))if __name__ == '__main__':    joe = User('Joe','Black',20,'男','18011123333')    #joe.describe_user()    # joe.greet_user()    joe.increment_login_attempts()    joe.increment_login_attempts()    joe.increment_login_attempts()    joe.increment_login_attempts()    joe.reset_login_attempts()