text: import sys
  from Bio import SeqIO
  
  idfile, fafile = sys.argv[1:]
  
  fa = SeqIO.index_db("{}.db".format(fafile))
  
  with open(idfile) as fh:
  	for line in fh:
  		seqid = line.strip()
  		s = fa[seqid].seq
  		print(s)
  