@objc func petNotification(_ notification: Notification) {
    //Parsing
    guard let userInfo = notification.userInfo else { return }
    guard let name = userInfo["name"] as? String else { return }
    guard let type = userInfo["type"] as? String else { return }
    guard let age = userInfo["age"] as? Int else { return }
    guard let hungry = userInfo["hungry"] as? Bool else { return }
    guard let scared = userInfo["scared"] as? Bool else { return }
    //Usage of the parsed data
    print("\(type) \(name), age is \(age)")
    let hungryString = hungry ? "\(name) is hungry" : "\(name) is not hungry"

    let scaredString = scared ? "\(name) is scared" : "\(name) is not scared"
    print("\(hungryString).\(scaredString)")
}