সি# Add

using System;
namespace MyApplication {
  class Program {
    static void Main(string[] args) {

    Dictionary<string, string> user = new() {
      {"নাম", "মোঃ আরিফ"},
      {"দেশ", "বাংলাদেশ"}
    };

    user.Add("শহর", "ঢাকা");

    Console.WriteLine(user.Count);

    }
  }
}