Swift:
Verkkosivun lataaminen

import Foundation

// URL:n luonti
guard let url = URL(string: "https://example.com") else {
    print("Invalid URL")
    exit(1)
}

// URLSession käyttö
let task = URLSession.shared.dataTask(with: url) { data, response, error in
    if let error = error {
        print("Client error: \(error.localizedDescription)")
        return
    }
    
    guard let httpResponse = response as? HTTPURLResponse,
          (200...299).contains(httpResponse.statusCode) else {
        print("Server error: respnse not in the range 200...299")
        return
    }
    
    if let mimeType = httpResponse.mimeType, mimeType == "text/html",
       let data = data,
       let string = String(data: data, encoding: .utf8) {
        print(string)
    }
}

// Aloitetaan tehtävä
task.resume()