def get_avail_decoders(self):
        r_list = []
        for d in self._avail_decoders:
            r_list.append(d.name)

        return r_list
Adds a list of (i,j) where i,j are in range(n) and reinitialize the
dataset/ETHPy150Open precurse/flacthis/audio_codecs.py/CodecManager.get_avail_decoders--crossover with--dataset/ETHPy150Open dnlcrl/PyGraphArt/src/graph.py/Graph.add_edges