code: def get_ec_names(ecfile, fasta_names):
      
      df = pd.read_table(ecfile, header=None, names=["ec", "transcripts"])
      transcript_groups = [x.split(",") for x in df["transcripts"]]
      transcripts = []
      for group in transcript_groups:
          transcripts.append(":".join([fasta_names[int(x)] for x in group]))
      return transcripts
docs: convert equivalence classes to their set of transcripts