package com.jesusbornd.numbers;
import java.util.*;
import java.util.stream.*;

public class Numbers_35_Chapter_Lv1 {
    enum Type { LEVITE, REFUGE }
    record City(String name, Type type) {}

    public static void main(String[] args) {
        var cities = List.of(
            new City("헤브론", Type.REFUGE),  new City("세겜",   Type.REFUGE),
            new City("게데스", Type.REFUGE),  new City("베셀",   Type.REFUGE),
            new City("라못",   Type.REFUGE),  new City("골란",   Type.REFUGE),
            new City("실로",   Type.LEVITE),  new City("기브온", Type.LEVITE),
            new City("아나돗", Type.LEVITE),  new City("알몬",   Type.LEVITE)
        );

        var grouped = cities.stream().collect(Collectors.groupingBy(City::type));
        grouped.forEach((t, cs) ->
            System.out.printf("[%s] %s%n", t, cs.stream().map(City::name).toList()));
    }
}

from collections import defaultdict

cities = [
    ("헤브론", "REFUGE"), ("세겜", "REFUGE"), ("게데스", "REFUGE"),
    ("베셀",   "REFUGE"), ("라못", "REFUGE"), ("골란",   "REFUGE"),
    ("실로",  "LEVITE"), ("기브온","LEVITE"), ("아나돗", "LEVITE"), ("알몬", "LEVITE"),
]

grouped = defaultdict(list)
for name, ctype in cities:
    grouped[ctype].append(name)

if __name__ == "__main__":
    for ctype, names in grouped.items():
        print(f"[{ctype}] {names}")