python3作业：模拟登录

__author__ = "bin007"

customer = {}#存储用户信息#处理用户信息文件try:    with open(‘login.txt‘,‘r‘,encoding=‘utf-8‘) as f:        for line in f:            customer[line.split()[0]] = [line.split()[1],line.split()[2]]except:    print(‘用户文件不存在‘)

login_name = input("\033[32;1m请输入用户名-->:\033[0m")   #获取用户名login_secret = input(‘\033[32;1m请输入密码--->:\033[0m‘)  #获取用户密码if customer.get(login_name):    customer_secret = customer.get(login_name)[0]    secret_err = int(customer.get(login_name)[1])    if secret_err < 3:        if login_secret == customer_secret:            print(‘\033[32;1m登录成功\033[0m‘)        else:            print(‘\033[31;1m用户名或密码错误，还剩余%s次机会\033[0m‘%(2-secret_err))            customer.get(login_name)[1] = str(int(customer.get(login_name)[1])+1)    else:        print(‘\033[41;1m用户已被锁定\033[0m‘)        customer.get(login_name)[1] = str(int(customer.get(login_name)[1])+1)        print(customer.get(login_name)[1])else:    login_new = input(‘\033[31;1m用户不存在是否以当前用户名密码注册(Y/N):\033[0m‘)    if login_new == ‘Y‘ or login_new == ‘y‘:        customer[login_name] = [login_secret,0]        print(‘\033[32;1m注册成功，请登录\033[0m‘)    else:        pass#更新用户文件with open(‘login.txt‘,‘w+‘,encoding=‘utf-8‘) as f:    for i in customer:        write_line = (‘%s %s %s‘+‘\n‘)% (i,customer[i][0],customer[i][1])        f.write(write_line)