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 switch(url.parse(request.url).pathname) {
      case '/p1':
      if (!error) {
        response.end(data);
      } else {
          console.log(error);
        }
      case '/p2':
      if (!error) {
        response.end("Page 2");

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import UIKit
import PlaygroundSupport

PlaygroundPage.current.needsIndefiniteExecution = true

class APIClient {
    
    typealias JSON = [String: Any]
    
    // search functionality stuff 

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  }).listen(port, (error) => {
    if (error) {
      console.log('error ${ error }')
    }
    console.log('listening on ${ port }')
  });

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class Math {
    func add(_ intOne: Int, _ intTwo: Int) -> Int {
        return intOne + intTwo
    }
}

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import XCTest
@testable import ExampleProject

class ExampleProjectTests: XCTestCase {
    
    override func setUp() {
        super.setUp()
    }
    
    override func tearDown() {

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import XCTest
import AVFoundation
@testable import Musicly

class MusiclyTests: XCTestCase {
    
    // Boiler plate
   
    func testDataStore() {
        let dataSource = iTrackDataStore(searchTerm: "new")

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func testDataStore() {

// Setup test 

  dataStore.searchForTracks { tracks, error in
            XCTAssert(tracks?.count == 49)
            expect.fulfill()
   }
}

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 func testDataStore() {
 
      // Setup 
      // Run test 
      
        waitForExpectations(timeout: 4) { error in
            if let error = error {
                XCTFail("waitForExpectationsWithTimeout error: \(error)")
            }
        }

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protocol ImageDownloadProtocol {
    func downloadImage(from url: URL, completion: @escaping (UIImage?) -> Void)
}

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extension ImageDownloadProtocol {
    func downloadImage(from url: URL, completion: @escaping (UIImage?) -> Void) {
        let session = URLSession(configuration: .default)
        DispatchQueue.global(qos: .background).async {
            print("In background")
            session.dataTask(with: URLRequest(url: url)) { data, response, error in
                if error != nil {
                    print(error?.localizedDescription ?? "Unknown error")
                }
                if let data = data, let image = UIImage(data: data) {