Coroutines are computer program components that generalize subroutines for non-preemptive multitasking, by allowing execution to be suspended and resumed. Coroutines are well-suited for implementing familiar program components such as cooperative tasks, exceptions, event loops, iterators, infinite lists and pipes.

    1. implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-core:1.2.1'
    2. implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-android:1.2.1'
    1. suspend fun main() = coroutineScope {
    2.     for(i in 0 until 10) {
    3.         launch {
    4.             delay(1000L - i * 10)
    5.             print("❤️$i ")
    6.         }
    7.     }
    8. }