code: def member_at_in(self, leaderboard_name, position, **options):
          '''
          Retrieve a member at the specified index from the leaderboard.
  
          @param leaderboard_name [String] Name of the leaderboard.
          @param position [int] Position in named leaderboard.
          @param options [Hash] Options to be used when retrieving the member from the named leaderboard.
          @return a page of leaders from the named leaderboard.
          '''
          if position > 0 and position <= self.total_members_in(leaderboard_name):
              page_size = options.get('page_size', self.page_size)
              current_page = math.ceil(float(position) / float(page_size))
              offset = (position - 1) % page_size
  
              leaders = self.leaders_in(
                  leaderboard_name,
                  current_page,
                  **options)
              if leaders:
                  return leaders[offsetf member_at_in(self, leaderboard_name, position, **options):
          '''
          Retrieve a member at the specified index from the leaderboard.
  
          @param leaderboard_name [String] Name of the leaderboard.
          @param position [int] Position in named leaderboard.
          @param options [Hash] Options to be used when retrieving the member from the named leaderboard.
          @return a page of leaders from the named leaderboard.
          '''
          if position > 0 and position <= self.total_members_in(leaderboard_name):
              page_size = options.get('page_size', self.page_size)
              current_page = math.ceil(float(position) / float(page_size))
              offset = (position - 1) % page_size
  
              leaders = self.leaders_in(
                  leaderboard_name,
                  current_page,
                  **options)
              if leaders:
                  return leaders[offset]
docs: Retrieve a member at the specified index from the leaderboard.
  
          @param leaderboard_name [String] Name of the leaderboard.
          @param position [int] Position in named leaderboard.
          @param options [Hash] Options to be used when retrieving the member from the named leaderboard.
          @return a page of leaders from the named leaderboard.