search in wikipedia the tallest building in the world in csharp

main.cs
using System;
using System.Net;
using System.IO;
using Newtonsoft.Json.Linq;

public static void Main()
{
    // API endpoint
    string apiUrl = "https://en.wikipedia.org/w/api.php?action=opensearch&search=Tallest%20building%20in%20the%20world&limit=1&namespace=0&format=json";

    // Create a web request to the API endpoint
    HttpWebRequest request = (HttpWebRequest) WebRequest.Create(apiUrl);
    request.Method = "GET";

    // Get the response from the API
    HttpWebResponse response = (HttpWebResponse) request.GetResponse();
    StreamReader reader = new StreamReader(response.GetResponseStream());
    string jsonResponse = reader.ReadToEnd();

    // Parse the JSON response and retrieve the title of the first result
    JObject json = JObject.Parse(jsonResponse);
    JArray results = (JArray) json["1"];
    string title = (string) results[0];

    // Display the results to the console
    Console.WriteLine("The tallest building in the world is {0}.", title);
}
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