import javaslang.collection.List;
import javaslang.Tuple;
import javaslang.Tuple2;
public class Main {
public static void main(String[] args) {
Tuple2<String, Integer> student1 = Tuple.of("Alice", 80);
Tuple2<String, Integer> student2 = Tuple.of("Bob", 90);
Tuple2<String, Integer> student3 = Tuple.of("Charlie", 75);
List<Tuple2<String, Integer>> students = List.of(student1, student2, student3);
double averageScore = students.map(Tuple2::_2).average().getOrElse(0.0);
System.out.println("Average Score: " + averageScore);
}
}