def total_scores_in(self, leaderboard_name):
        '''
        Sum of scores for all members in the named leaderboard.

        @param leaderboard_name Name of the leaderboard.
        @return Sum of scores for all members in the named leaderboard.
        '''
        return sum([leader[self.SCORE_KEY] for leader in self.all_leaders_from(self.leaderboard_name)])
def total_scores_in ( self , leaderboard_name ) : return sum ( [ leader [ self . SCORE_KEY ] for leader in self . all_leaders_from ( self . leaderboard_name ) ] )
Sum of scores for all members in the named leaderboard.

        @param leaderboard_name Name of the leaderboard.
        @return Sum of scores for all members in the named leaderboard.