code: def remove(self, attendees):
          
          if isinstance(attendees, (list, tuple)):
              attendees = {
                  attendee.address if isinstance(attendee, Attendee) else attendee
                  for
                  attendee in attendees}
          elif isinstance(attendees, str):
              attendees = {attendees}
          elif isinstance(attendees, Attendee):
              attendees = {attendees.address}
          else:
              raise ValueError('Incorrect parameter type for attendees')
  
          new_attendees = []
          for attendee in self.__attendees:
              if attendee.address not in attendees:
                  new_attendees.append(attendee)
          self.__attendees = new_attendees
          self._track_changes()
docs: Remove the provided attendees from the event
  
          :param attendees: list of attendees to add
          :type attendees: str or tuple(str, str) or Attendee or list[str] or
           list[tuple(str,str)] or list[Attendee]