const students = [
{ name: "Amed", city: "Evry" },
{ name: "Bob", city: "Evry" },
{ name: "Charlie", city: "Paris" },
{ name: "David", city: "Paris" },
{ name: "Emma", city: "Evry" },
{ name: "Fatima", city: "Lyon" }
];
trouvez les deux villes qui logent le plus d'habitants
Attention : utilisez une Map et Map.groupBy !