新手写作，用来练习与提高python编写、思考能力，有错误的地方请指正，谢谢！

第一次写博客，课题是一位大神的博客，本着练习的目的，就自己重写了一遍，有很多不足的地方，希望借博客记录下自己的成长； 

#!/usr/bin/env python#coding:utf-8import sysclass Shop(object):    def __init__(self):        self.Red = "\033[1;31m"        self.Gre = "\033[1;32m"        self.Res = "\033[0m"    with open('user_file.txt','r') as fp:            user_list = eval(fp.readline())  # 用户的名字与密码转换成字典    with open('lock_name.txt','r') as fp2:            lock_name = eval(fp2.readline())  # 锁定的用户为列表    with open('money_list.txt','r') as fp3:            money_list = eval(fp3.readline())    def nameCheck(self,a):        if a in self.user_list and a not in self.lock_name:            return 0 #如果名字在user_file里面，且没在锁定文件里面的话，返回0        elif a in self.user_list and a in self.lock_name:            return 1 #名字在user_file里面，且被锁定，返回1        else:            return 2 #否则返回2    def passwdCheck(self,a,b):        count = 3        while count > 1:            try:                if b == self.user_list[a]:                    return 0                else:                    count -= 1                    print "密码错误，剩余%d次" % count                    b = raw_input("请再次输入你的密码: ")            except KeyError :                 return 2        else:            return 1    def checkAfter(self,b,c,dd):        if b == 0 and c == 0  :            print self.Gre,"恭喜你(%s),登陆成功!!!,欢迎你来到我们的商店!"%dd,self.Res #成功后动作进到商店            self.shopCounts()        elif b == 1 :            print self.Red,"对不起,你(%s)的账号被锁定,请联系客服!!!"%dd,self.Res  #不成功则动作回到初始位置            pass        elif c == 1 :            print "密码错误,账号将被锁定"            self.nameLock(dd)        else:            print self.Red,"账号(%s)不存在,是否创建用户"%dd,self.Res #不存在则动作到注册位置            self.signName()    def shopCounts(self):        shop_list = {
    "phone":2000,"ipad":1500,"ice_box":500}        for key,value in shop_list.items():            print key," : ",value #打印商店内容    def signName(self):        while True:            sign_name = raw_input("请输入你要注册的账号:")            value = self.nameCheck(sign_name)            passwd = raw_input("输入你的密码: ")            if value == 2:                print "congratulations,账号可用"                money = raw_input("输入账号资金: ")                if money.isdigit():                    print """name:    %spasswd:    %smoney:    %d""" %(sign_name,passwd,int(money))                    self.user_list.setdefault(sign_name,passwd)                    self.money_list.setdefault(sign_name,money)                    confirm = raw_input("是否确认以上信息: ")                    if confirm.upper() == "Y":                        with open('user_file.txt','r+') as fp:                            fp.write(str(self.user_list))                        with open('money_list.txt','r+') as fp2:                            fp2.write(str(self.money_list))                        break                    else:                        print "重新来过"                        continue                else:                    print "资金错误,返回重来"                    continue            else:                print "账号不可用"                continue    def nameLock(self,a):        self.lock_name.append(a)        with open('lock_name.txt','r+') as fp:            fp.write(str(self.lock_name))maomao = Shop()while True:    name = raw_input("请输入你的账号:")    if name.upper() == "Q":        sys.exit()    else:        passwd = raw_input("请输入你的密码:")        b = maomao.nameCheck(name)        c = maomao.passwdCheck(name,passwd)        maomao.checkAfter(b,c,name)