code: def rank_member_across(
              self, leaderboards, member, score, member_data=None):
          '''
          Rank a member across multiple leaderboards.
  
          @param leaderboards [Array] Leaderboard names.
          @param member [String] Member name.
          @param score [float] Member score.
          @param member_data [String] Optional member data.
          '''
          for leaderboard_name in leaderboards:
              self.rank_member_in(leaderboard, member, score, member_dataf rank_member_across(
              self, leaderboards, member, score, member_data=None):
          '''
          Rank a member across multiple leaderboards.
  
          @param leaderboards [Array] Leaderboard names.
          @param member [String] Member name.
          @param score [float] Member score.
          @param member_data [String] Optional member data.
          '''
          for leaderboard_name in leaderboards:
              self.rank_member_in(leaderboard, member, score, member_data)
docs: Rank a member across multiple leaderboards.
  
          @param leaderboards [Array] Leaderboard names.
          @param member [String] Member name.
          @param score [float] Member score.
          @param member_data [String] Optional member data.