lets_build_a_coroutine__goald.kt

fun saveUserTasks(userId: Int) {
    val user = loadUser(userId)
    println("user loaded")
    //  save loaded user
    //  pause execution

    //  resume execution
    //  restore saved user
    val tasks = loadTasks(user)
    println("tasks loaded")
    //  save loaded tasks
    //  pause execution

    //  resume execution
    //  restore saved tasks
    saveTasks(tasks)
}