Simple URLSession Data Task with default Session Configuration

URLSession.dataTask example.swift

import UIKit
import PlaygroundSupport

// Declare a session configuration
let defaultConfiguration = URLSessionConfiguration.default
defaultConfiguration.allowsCellularAccess = true
defaultConfiguration.waitsForConnectivity = true

// assign that configuration to a session
let session = URLSession(configuration: defaultConfiguration)

// declare an URL object, passing in a string
let url = URL(string: "https://jsonplaceholder.typicode.com/users")

// have your task
let task = session.dataTask(with: url!) { (data, response, error) in
    // guard against errors
    guard error == nil else { return }
    
    guard let serverResponse = response as? HTTPURLResponse,
        serverResponse.statusCode == 200 else { return }
    
    guard let receivedData = data else { return }
    
    if let stringData = String(data: receivedData, encoding: .utf8) {
        print(stringData)
    }
    
    PlaygroundPage.current.finishExecution()
}
// remember to start your task
task.resume()