DevNationdevnation.joshisfitness.com·Dec 16, 2023Server Side Kotlin-07Flatten:- It provides flat access to nested collection elements .flatten () is a collection of collections, for example, array of array, a List of Sets or List of List. The function returns a single collection of all the elements of the nested colle...KotlinAdd a thoughtful commentNo comments yetBe the first to start the conversation.