# IDOR va obyektga ruxsat tekshiruvi
# Faqat sintetik, lokal o‘quv misoli.

current_user = 7
notes = [{"id": 1, "user": 7}, {"id": 2, "user": 9}, {"id": 3, "user": 7}]
visible = [note for note in notes if note["user"] == current_user]
print(len(visible))