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override func pressesBegan(_ presses: Set<UIPress>, with event: UIPressesEvent?) {
   guard let buttonPress = presses.first?.type else { return }
        
   switch(buttonPress) {
   case .menu:
      print("Menu")
   case .playPause:
      print("Play/Pause")
   case .select:
      print("select")

pvn

//
//  Uiview.swift
//  Created by praveen shrivastav on 26/08/2021.
//

import UIKit

extension UIView{

    func makeGradientView(_ colorOne:UIColor,colorTwo:UIColor ){

pvn

class PKDataManager {
    
    static let defaults = UserDefaults.standard
    
  // check if 'key' is present in user defaults
    static func isKeyPresentInUserDefaults(key: String) -> Bool {
        return defaults.object(forKey: key) != nil
    }
    
   // store the SETs as string for given 'key' in user defaults

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import Foundation
import UIKit

extension UIColor {
    convenience init(hexString: String, alpha: CGFloat = 1.0) {
        let hexString: String = hexString.trimmingCharacters(in: CharacterSet.whitespacesAndNewlines)
        let scanner = Scanner(string: hexString)

        if (hexString.hasPrefix("#")) {
            scanner.scanLocation = 1

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extension String
{
    var length: Int {
        get {
            return self.count
        }
    }
    var startToEndRange: Range<String.Index> {
        get {
            let start = self.index(self.startIndex, offsetBy: 0)

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/* Compare two array has the same value */

// firstArray = ['A', 'B', 'C', 'A']
// secondArray = ['A', 'B', 'C', 'A']
// firstArray.isDuplicateOf(secondArray)

extension Array where Element: Comparable {
    func isDuplicateOf(as other: [Element]) -> Bool {
        return self.count == other.count && self.sorted() == other.sorted()
    }

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class Node:

	def __init__(self, data):

		self.data = data
		self.next = None
		return

	def has_value(self, value):