class ViewController: UIViewController {
    override func viewDidLoad() {
        super.viewDidLoad()
        Task {
            async let networkData = loadFromNetwork()
            async let dbData = loadFromDB()
            await print("\(networkData) \(dbData)")
        }
    }
}
func loadFromNetwork() async -> String {
    print("loadFromNetwork started \(Thread.current)")
    (0...10000000).forEach { String($0) }
    print("loadFromNetwork finished")
    return "Network Data"
}
 
func loadFromDB() async -> String {
    print("loadFromDB started \(Thread.current)")
    (0...10000000).forEach { String($0) }
    print("loadFromDB finished")
    return "DB Data"
}

loadFromNetwork started <NSThread: 0x2818ace40>{number = 6, name = (null)}
loadFromDB started <NSThread: 0x2818a0d80>{number = 4, name = (null)}
loadFromNetwork finished
loadFromDB finished
Network Data DB Data

loadFromNetwork started <NSThread: 0x600001528a00>{number = 7, name = (null)}
loadFromNetwork finished
loadFromDB started <NSThread: 0x600001528a00>{number = 7, name = (null)}
loadFromDB finished
Network Data DB Data