HTTP in swift 3 + 4

http.swift

import UIKit
import PlaygroundSupport
import Foundation

// GET Request
let url = URL(string: "https://httpbin.org/ip")

let getTask = URLSession.shared.dataTask(with: url!) { data, response, error in
    guard error == nil else {
        print(error!)
        return
    }
    guard let data = data else {
        print("Data is empty")
        return
    }
    
    let json = try! JSONSerialization.jsonObject(with: data, options: [])
    print(json)
}

getTask.resume()

// POST Request
var request = URLRequest(url: URL(string: "https://httpbin.org/post")!)
request.httpMethod = "POST"
let postString = "id=13&name=Jack"
request.httpBody = postString.data(using: .utf8)

let postTask = URLSession.shared.dataTask(with: request) {data, response, error in
    guard error == nil else {
        print(error!)
        return
    }
    guard let data = data else {
        print("Data is empty")
        return
    }
    
    let json = try! JSONSerialization.jsonObject(with: data, options: [])
    print(json)
}

postTask.resume()


PlaygroundPage.current.needsIndefiniteExecution = true