username1 = input('请输入你的名字：').strip()
usercode1 = input('请输入你的密码：').strip()
count=0
with open(r'D:\0tempt\db.txt',mode='rt',encoding='utf-8') as f:
    for line in f: #把用户输入的名字和密码与读出的内容作对比
        username,usercode=line.strip('').split(':')
        if username1 == username and usercode1 == usercode:
            print('登录成功')
            break
        else:
            print('账号或密码错误，请重试')
            count+=1
    else:
        print('账号或密码输错三次，账户已被锁定，请申请找回或修改密码')
        with open(r'D:\0tempt\clockeduser.txt',mode='wt',encoding='utf-8') as f:
            f.write('{}:{}'.format(username1,usercode1))

while True:
    msg = """
    0 退出

    1 登录
    2 注册
    """
    print(msg)
    cmd = input('请输入命令编号>>: ').strip()
    if not cmd.isdigit():
        print('必须输入命令编号的数字，傻叉')
        continue

    if cmd == '0':
        break
    elif cmd == '1':
        # 登录功能代码（附加：可以把之前的循环嵌套，三次输错退出引入过来）
   count=0
with open(r'D:\0tempt\db.txt',mode='rt',encoding='utf-8') as f:
    for line in f: #把用户输入的名字和密码与读出的内容作对比
        username,usercode=line.strip('').split(':')
        if username1 == username and usercode1 == usercode:
            print('登录成功')
            break
        else:
            print('账号或密码错误，请重试')
            count+=1
    else:
        print('账号或密码输错三次，账户已被锁定，请申请找回或修改密码')
        with open(r'D:\0tempt\clockeduser.txt',mode='wt',encoding='utf-8') as f:
            f.write('{}:{}'.format(username1,usercode1))
        
    elif cmd == '2':
        # 注册功能代码
         print("注册账号".center(40,"="))
        info = {}
        name = input("账号名：").strip()
        pwd = input("账号密码：").strip()
        # 读取文件中已存在的账号密码信息

        with open("test1","r",encoding="utf-8") as f:
            for line in f:
                user_name, password = line.strip().split("-")
                info[user_name] = password
    else:
        print('输入的命令不存在')