gistfile1.txt

@Test
    fun test() = runBlocking<Unit>(Dispatchers.Default) {
        var job1: Job? = null
        var job2: Job? = null
            coroutineScope {
                var c1:CoroutineContext? = null
                var c2:CoroutineContext? = null

                job1 = launch {
                    c1 = coroutineContext
                    println("${c1!![Job]}")
                    delay(1000)
                    println("end job1")
                }
                job2 = launch {
                    c2 = coroutineContext
                    println("${c2!![Job]}")
                    delay(1000)
                    println("end job2")
                }

                delay(100)

                val combineContext = c1!!+c2!!

                println(c1)
                println(c2)
                println(combineContext)

            }
    }

console:

"coroutine#2":StandaloneCoroutine{Active}@1c4a92c
"coroutine#3":StandaloneCoroutine{Active}@65ddbd41
[CoroutineId(2), "coroutine#2":StandaloneCoroutine{Active}@1c4a92c, DefaultDispatcher]
[CoroutineId(3), "coroutine#3":StandaloneCoroutine{Active}@65ddbd41, DefaultDispatcher]
[CoroutineId(3), "coroutine#3":StandaloneCoroutine{Active}@65ddbd41, DefaultDispatcher]
end job1
end job2