def marker(selected):
database = DataBase()
for index in range(32):
calendar.unmark_day(index)
for item in database.get_dates(selected):
calendar.mark_day(item[0])
database.close()
if selected[0] != self.__cur[2] or selected[1] + 1 != self.__cur[1]:
calendar.unmark_day(self.__cur[0])
else:
calendar.mark_day(self.__cur[0])
return
