#_author: "Zoom" #data: 2018/6/21 username = input('请输入你要注册的用户名:') password = input('请输入你要注册的密码:') with open('list_of_info',mode='w',encoding='utf-8') as f: f.write('{} {}'.format(username,password)) print('恭喜您,注册成功') lis = [] i = 0 while i < 3: usn = input('请输入你的用户名') pwd = input('请输入你的密码') with open('list_of_info',mode='r',encoding='utf-8')as f1: for line in f1: lis.append(line) if usn == lis[0].strip() and pwd == lis[1].strip(): print('登录成功') break else:print('帐号密码错误') i+=1