8.Academy Graduation

import java.util.*;
import java.util.stream.Collectors;

public class map1_Lab_8Academy_Graduation {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int n = Integer.parseInt(scanner.nextLine());

        Map<String, List<Double>> academy = new TreeMap<>();
        for (int i = 0; i < n; i++) {
            String name = scanner.nextLine();
            List<Double> grade = Arrays.stream(scanner.nextLine().split("\\s+"))
                    .map(Double::parseDouble)
                    .collect(Collectors.toList());

            academy.putIfAbsent(name, grade);
        }

        for (Map.Entry<String, List<Double>> entry : academy.entrySet()) {

            System.out.printf("%s is graduated with ", entry.getKey());
            double avg = 0;
            for (Double value : entry.getValue()) {
                avg += value;
            }
            System.out.println(avg / entry.getValue().size());
        }

    }
}