swift4.0DeviceToken

func application(_ application: UIApplication, didRegisterForRemoteNotificationsWithDeviceToken deviceToken: Data) {
        
        let token: NSMutableString = NSMutableString(format: "%@", deviceToken as CVarArg)
        token.replaceOccurrences(of: " ", with: "", options: NSString.CompareOptions.caseInsensitive, range: NSMakeRange(0, token.length))
        token.replaceOccurrences(of: "<", with: "", options: NSString.CompareOptions.caseInsensitive, range: NSMakeRange(0, token.length))
        token.replaceOccurrences(of: ">", with: "", options: NSString.CompareOptions.caseInsensitive, range: NSMakeRange(0, token.length))
        
        print("token",token);
        
    }