public record Developer(string Name, string Role, string[] Stack);

public static class Introduce
{
    public static void Main()
    {
        var me = new Developer(
            Name: "Park HyeonMin",
            Role: "Game Server Developer",
            Stack: ["C#", ".NET", "ASP.NET Core", "Redis", "PostgreSQL"]
        );

        Console.WriteLine($"Hello! I'm {me.Name}, a {me.Role}!");
    }
}