How to run URLSession requests in the playground in XCode 8.3

Xcode_Playground_URLSession.swift

//: Playground - noun: a place where people can play
import Foundation
import PlaygroundSupport
PlaygroundPage.current.needsIndefiniteExecution = true

var request = URLRequest(url: URL(string: "https://api.github.com/")!)
request.httpMethod = "GET"

let task = URLSession.shared.dataTask(with: request) { data, response, error in
    guard let data = data, error == nil else {
        print("error=\(error)")
        return
    }
    if let httpStatus = response as? HTTPURLResponse, httpStatus.statusCode != 200 {
        print("statusCode should be 200, but is (httpStatus.statusCode)")
        print("response = \(response)")
    }
    if let body_response = String(data: data, encoding: String.Encoding.utf8) {
        print(body_response)
    }
}
task.resume()