用户名 密码 黑名单

users ={
'小红': {'name':'小红', 'password': '123', 'status':True},
'mia': {'name':'mia', 'password': '456', 'status':True},
'jack': {'name':'jack', 'password': '789', 'status':False}
}
print(users)
for j in range(3):
user = input('请输入你的用户名：')
pwd = input('请输入你的密码：')
if user in users and pwd == users[user]['password'] and users[user]['status']:
print('登陆成功！')
break
elif user in users and not users[user]['status']:
print('账号失效，请联系管理员！')
elif user in users and pwd!=users[user]['password']:
print('密码输入错误，请重试！')
else:
print('用户不充在，请先注册')