函数练习题

需求：

一.输入用户名密码，正确后登陆系统，打印

　　1.打印个人信息

　　2.修改个人信息

　　3.修改密码

二.每个选项写一个方法

三.登陆时输错3次退出登陆

# 请先运行3-6行代码，然后注释掉

# with open('accounts.txt', 'w', encoding='utf-8') as f:
#     f.write('alex,123,李python,24,Enginner,IT,132132
')
#     f.write('rain,112233,雨,25,Teacher,Teaching,132132
')
#     f.write('ann,123123,李安,27,customer service,service,132132
')

# 正式代码

USER_INFO = {}

with open('accounts.txt', 'r', encoding='utf-8') as f2:
    for line in f2:
        user_list = line.strip().split(',')
        USER_INFO[user_list[0]] = {
            'username': user_list[0],
            'password': user_list[1],
            'name': user_list[2],
            'age': user_list[3],
            'job': user_list[4],
            'dept': user_list[5],
            'phone': user_list[6]
        }def modify_user_password(username):
    count = 0
    while True:
        count += 1
        old_password = input('请输入旧密码:').strip()
        if old_password == USER_INFO[username]['password']:
            count2 = 0
            while True:
                count2 += 1
                new_password = input('设置新密码：')
                new_password2 = input('请在输入一遍:')
                if new_password2 == new_password:
                    USER_INFO[username]['password'] = new_password2
                    with open('accounts.txt', 'w', encoding='utf-8') as f4:
                        for user in USER_INFO:
                            f4.write(user + ',' + USER_INFO[user]['password'] + ',' + USER_INFO[user]['name'] + ',' +
                                     USER_INFO[user]['age'] + ',' + USER_INFO[user]['job'] + ',' + USER_INFO[user][
                                         'dept'] +
                                     ',' + USER_INFO[user]['phone'] + '
')
                        exit('修改成功')
                else:
                    if count2 == 3:
                        print('输入三次失败，请重新输入')
                        break
                    print('两次密码输入不一致，请重新输入')
        else:
            if count == 3:
                print('登陆三次失败，自动退出')
                break
            print('密码错误')


def modify_user_info(username):
    user_info_key = []
    user_info_value = []
    print(' -------------------- 修改个人信息 --------------------')
    for index, key in enumerate(USER_INFO[username]):
        if index < 2:
            pass
        else:
            user_info_key.append(key)
            user_info_value.append(USER_INFO[username][key])
    while True:
        print('personal data', user_info_key)
        string_user_info = '''
        0.Name:   {0}
        1.Age:    {1}
        2.Job:    {2}
        3.Dept:   {3}
        4.Phone:  {4}
        '''.format(USER_INFO[username]['name'], USER_INFO[username]['age'], USER_INFO[username]['job'],
                   USER_INFO[username]['dept'], USER_INFO[username]['phone']
                   )
        print(string_user_info)
        choice = input('请按编号选择，按q退出').strip()
        if choice.isdigit() and 0 <= int(choice) <= 5:
            choice = int(choice)
            print('current value %s' % user_info_value[choice])
            new_value_key = user_info_key[choice]
            new_value = input('new value:').strip()
            user_info_key[choice] = new_value
            USER_INFO[username][new_value_key] = new_value
            print(USER_INFO[username])
            with open('accounts.txt', 'w', encoding='utf-8') as f3:
                for user in USER_INFO:
                    f3.write(user + ',' + USER_INFO[user]['password'] + ',' + USER_INFO[user]['name'] + ',' +
                             USER_INFO[user]['age'] + ',' + USER_INFO[user]['job'] + ',' + USER_INFO[user]['dept'] +
                             ',' + USER_INFO[user]['phone'] + '
'

                             )
            print('修改成功')
        elif choice.lower() == 'q':
            exit('再见')
        else:
            print('输入不合法，请按编号重新输入')


def verify_user():
    count = 0
    while True:
        count += 1
        username = input('username:').strip()
        if username in USER_INFO:
            password = input('password:').strip()
            if password == USER_INFO[username]['password']:
                while True:
                    choices_info = '''
                                    -------------------- welcome {0} --------------------
                                    1.打印个人信息
                                    2.修改个人信息
                                    3.修改密码
                                    '''.format(USER_INFO[username]['username'])
                    person_info = '''
                                    --------------------
                                    Name:  {0}
                                    Age:   {1}
                                    Job:   {2}
                                    Dept:  {3}
                                    Phone: {4}
                                    --------------------
                                    '''.format(USER_INFO[username]['name'], USER_INFO[username]['age'],
                                               USER_INFO[username]['job'],
                                               USER_INFO[username]['dept'], USER_INFO[username]['phone'])
                    print(choices_info)
                    choice = input('请选择，按q退出').strip()
                    if choice.isdigit() and 0 <= int(choice) <= 3:
                        choice = int(choice)
                        if choice == 1:
                            print(person_info)
                        elif choice == 2:
                            modify_user_info(username)
                        else:
                            modify_user_password(username)
                    elif choice.lower() == 'q':
                        exit('再见')
                    else:
                        print('请输入1~3之间的数字')
            else:
                if count == 3:
                    print('登陆三次失败，系统自动退出')
                    break
                else:
                    print('用户名或密码错误，请重新输入')
        else:
            if count == 3:
                print('登陆三次失败，系统自动退出')
                break
            print('用户名不存在')


verify_user()