code: def create(limit=None, unwatched=False):
          
          scope = 'all'
          if limit is None:
              limit = 0
          else:
              scope = 'count'
  
          return Policy(scope, unwatched, limit)
docs: Creates a :class:`~plexapi.sync.Policy` object for provided options and automatically sets proper `scope`
              value.
  
              Parameters:
                  limit (int): limit items by count.
                  unwatched (bool): if True then watched items wouldn't be synced.
  
              Returns:
                  :class:`~plexapi.sync.Policy`.