Computer scienceProgramming languagesKotlinTypes and data structuresCollections

Mutable Set

Theory

Little more and little less

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You are given an empty Set and a Set of strings as input. Iterate through the non-empty Set, add all elements that start with A or a to the first Set, and return it as the result.

Write a program in Kotlin
fun solution(newSet: MutableSet<String>, oldSet: Set<String>): MutableSet<String> {
// write here
}
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