Tulis fungsi yang mengambil daftar atau larik, dan mengembalikan daftar elemen yang berbeda, diurutkan dalam urutan menurun berdasarkan frekuensi.
Contoh:
Diberikan:
["John","Doe","Dick","Harry","Harry","Doe","Doe","Harry","Doe","John"]
Nilai pengembalian yang diharapkan:
["Doe","Harry","John","Dick"]