构建用户列表,并使用列表中的帐户登陆.

‘‘‘构建用户列表,格式为:[{‘user‘: ‘k1‘, ‘value‘: ‘v1‘},{‘user‘: ‘k2‘, ‘value‘: ‘v2‘},{‘user‘: ‘k3‘, ‘value‘: ‘v3‘}]Q为停止录入,然后使用用户列表中的内容登陆,失败则重新输入.‘‘‘lst = []while 1:    dic = {}    a = input(‘用户名:‘)    if a.upper() == "Q":        break    b = input(‘密码:‘)    dic[‘user‘] = a    dic[‘value‘] = b    lst.append(dic)

print(lst)while 1:    username = input(‘请输入用户名:‘)    password = input(‘请输入密码:‘)    message = ‘登录失败!请重试!‘    for i in lst:        if i[‘user‘] == username and i[‘value‘] == password:            message = ‘登陆成功!‘            print(message)            break    if message == ‘登陆成功!‘:        break    print(message)

原文地址：https://www.cnblogs.com/zjx1/p/10644772.html