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Home>IT Tests>Questions>How to flatten a list of lists in Kotlin

Question from the Kotlin test

How to flatten a list of lists in Kotlin

Hard
val nombres = listOf(1, 2, 3) // [1, 2, 3]
val result = nombres.flatMap { listOf(it, it, it) }
println(result)

What value of result is displayed in the console?

Author: W3D TeamStatus: PublishedQuestion passed 687 times
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