সি#

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

    var fruits = new List<string> {"আপেল", "আঙ্গুর", "কমলা", "কলা"};

    foreach (var fruit in fruits) {
      Console.WriteLine(fruit);
    }

    }
  }
}

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

    var info = new Dictionary<string, string> {
      ["নাম"] = "মোঃ আরিফ",
      ["দেশ"] = "বাংলাদেশ"
    };

    foreach (var item in info) {
      Console.WriteLine($"{item.Key} => {item.Value}");
    }

    }
  }
}

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

    var user = new Dictionary<string, object> {
      ["নাম"] = "মোঃ আরিফ",
      ["তথ্য"] = new Dictionary<string, string> {
        ["স্বপ্ন"] = "সফটওয়্যার ইঞ্জিনিয়ার",
        ["দেশ"] = "বাংলাদেশ"
      }
    };

    Console.WriteLine(user);

    }
  }
}

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

    var users = new List<List<string>>
    {
      new List<string> { "10", "তানিম", "বাংলাদেশ" },
      new List<string> { "11", "জোহান", "নেদারল্যান্ড" },
      new List<string> { "12", "হামিদ", "আফগানিস্তান" },
      new List<string> { "13", "সাকিব", "বাংলাদেশ" }
    };

    Console.WriteLine(users);

    }
  }
}