Computer scienceProgramming languagesScalaTypes and data structuresCollections

Introduction to collections

Theory

Planets game

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Scally is newbie programmer. She tries to entertain herself with some astronomy. She started writing a program that prints true if the three input lines are real planets of the Solar system and false otherwise. Finish her program.

Sample Input 1: 

Mercury
Venus
Earth

Sample Output 1: 

true
Write a program in Scala 3
object PlanetsGame extends App {
val set = Set("Mercury", "Venus", "Earth", "Mars", "Jupiter", "Saturn", "Uranus", "Neptune")
val first = scala.io.StdIn.readLine()
val second = scala.io.StdIn.readLine()
val third = scala.io.StdIn.readLine()
println(set(???) && ???)
}
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