create a scraper for instagram in csharp

main.cs
using System;
using System.Collections.Generic;
using System.IO;
using System.Net;
using HtmlAgilityPack;

class InstagramScraper
{
    static void Main(string[] args)
    {
        string username = "instagram_username";
        string url = "https://www.instagram.com/" + username;

        // Create a web request to the Instagram profile URL
        HttpWebRequest webRequest = (HttpWebRequest)WebRequest.Create(url);
        webRequest.Method = "GET";

        // Get the response from the web server and read the HTML content
        HttpWebResponse webResponse = (HttpWebResponse)webRequest.GetResponse();
        StreamReader streamReader = new StreamReader(webResponse.GetResponseStream());
        string htmlContent = streamReader.ReadToEnd();
        streamReader.Close();
        webResponse.Close();

        // Load the HTML content into the HtmlAgilityPack document object model
        HtmlDocument htmlDocument = new HtmlDocument();
        htmlDocument.LoadHtml(htmlContent);

        // Find the div element that contains the top posts
        HtmlNode topPostsDiv = htmlDocument.DocumentNode.SelectSingleNode("//div[@class='v1Nh3 kIKUG  _bz0w']");

        // Loop through the top posts and extract the username
        List<string> usernames = new List<string>();
        foreach (HtmlNode topPost in topPostsDiv.ChildNodes)
        {
            HtmlNode usernameNode = topPost.SelectSingleNode(".//a[@class='sqdOP yWX7d     _8A5w5   ZIAjV ']");
            string username = usernameNode.InnerText.TrimStart('@');
            usernames.Add(username);
        }

        // Print the list of usernames
        Console.WriteLine("Top 10 usernames in " + username + "'s profile:");
        for (int i = 0; i < usernames.Count && i < 10; i++)
        {
            Console.WriteLine((i + 1) + ": " + usernames[i]);
        }
    }
}
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