登录注册

def login_page():
    print("""******************************************************
******************************************************
**           欢迎来到LOL小学生管理系统              **
**                 💗 1.登录                        **
**                 💗 2.注册                        **
**                 💗 3.退出                        **
******************************************************
******************************************************""")


def show_aap():
    list1 = []
    with open('account_and_password.txt', 'r', encoding='utf-8') as aap:
        list0 = aap.read().splitlines()  # 按换行符切割，默认不保留换行符
    for item in list0:
        list1.append(item.split('/', 1))
    return list1


bool1 = True
while bool1:
    login_page()
    choice = input('请选择（1-3）：')
    if choice == '1':
        bool2 = True           # 写在这用于更新
        while bool2:
            account = str(input('请输入账号名：'))
            password = str(input('请输入密码：'))
            if len(show_aap()) == 0:
                print('账号不存在，请先注册！')
                break
            else:
                aap_dict = dict(show_aap())
                # print(account, password)
                for key in aap_dict:
                    # print(aap_dict)
                    if account == key and password == aap_dict[key]:
                        print('登录成功！')
                        bool1 = bool2 = False
                        break
                else:
                    while True:
                        print("""==============================
账号或密码错误，请选择(1-2):
💗 1.继续输入
💗 2.返回
==============================""")
                        choice2 = input()
                        if choice2 == '1':
                            break
                        elif choice2 == '2':
                            bool2 = False
                            break
                        else:
                            continue
    elif choice == '2':
        while True:
            account = input('请输入账号名：')
            if len(show_aap()):
                password = input('请输入密码：')
                check_password = input('请确认密码：')
                if check_password == password:
                    with open('account_and_password.txt', 'a',
                              encoding='utf-8') as aap:
                        aap.write(account + '/' + password + '\n')
                    print('注册成功！请继续！！')
                    break
            else:
                aap_dict = dict(show_aap())
                for key in aap_dict:
                    if key == account:
                        print('该账号已被注册，请重新输入！')
                        break
                else:
                    password = input('请输入密码：')
                    check_password = input('请确认密码：')
                    if check_password == password:
                        with open('account_and_password.txt', 'a', encoding='utf-8') as aap:
                            aap.write(account + '/' + password + '\n')
                        print('注册成功！请继续！！')
                        break
                    else:
                        print('两次密码不一致，请重新设置！')
                        continue
    elif choice == '3':
        print('再见！')
        break
    else:
        continue