def intersect_leaderboards(self, destination, keys, aggregate='<STR_LIT>'):
keys.insert(<NUM_LIT:0>, self.leaderboard_name)<EOL>self.redis_connection.zinterstore(destination, keys, aggregate)<EOL>
Intersect leaderboards given by keys with this leaderboard into a named destination leaderboard.

@param destination [String] Destination leaderboard name.
@param keys [Array] Leaderboards to be merged with the current leaderboard.
@param options [Hash] Options for intersecting the leaderboards.