সি# nested

using System;
using System.Collections.Generic;

class Program {
  static void Main() {
    Dictionary<string, object> user = new Dictionary<string, object> {
      {"নাম", "মোঃ আরিফ"},
      {"তথ্য", new Dictionary<string, string> {
        {"স্বপ্ন", "সফটওয়্যার ইঞ্জিনিয়ার"},
        {"দেশ", "বাংলাদেশ"}
      }}
    };

    Console.WriteLine(user["নাম"]);
    Console.WriteLine(((Dictionary<string, string>)user["তথ্য"])["স্বপ্ন"]);
    Console.WriteLine(((Dictionary<string, string>)user["তথ্য"])["দেশ"]);

  }
}