//Paste your solution here if you want to share it publiclyfrom datetime import date, timedelta def find_friday_13ths(): friday_13ths = [] for year in range(1, 10000): for month in range(1, 13): try: current_date = date(year, month, 13) if current_date.weekday() == 4: friday_13ths.append(current_date.strftime("%Y-%m-%d")) except ValueError: continue return friday_13ths results = find_friday_13ths() for date_str in results: print(date_str)