Extract all dd/mm/yyyy dates from a condo meeting record, convert to ISO, sort chronologically without…

Extract all dd/mm/yyyy dates from a condo meeting record, convert to ISO, sort chronologically without…: a task in agent-harbor-tasks (Harbor dataset). scrivi in date.txt tutte le date che compaiono in verbale.txt, in formato AAAA-MM-GG, una per riga, in ordine cronologico e senza doppioni