code: def stock2fa(stock):
      
      seqs = {}
      for line in stock:
          if line.startswith('#') is False and line.startswith(' ') is False and len(line) > 3:
              id, seq = line.strip().split()
              id = id.rsplit('/', 1)[0]
              id = re.split('[0-9]\|', id, 1)[-1]
              if id not in seqs:
                  seqs[id] = []
              seqs[id].append(seq)
          if line.startswith('//'):
              break
      return seqs
docs: convert stockholm to fasta