code: def get_seqs_fasta(seqs, names, out_fa):
      
      with open(out_fa, 'w') as fa_handle:
          for s, n in itertools.izip(seqs, names):
              print(">cx{1}-{0}\n{0}".format(s, n), file=fa_handle)
      return out_fa
docs: get fasta from sequences