new_contents: ##
  #	Use : To make reverse compliment of multiple fasta 
  #	Require : preinstalled BioPython
  #	Usage : python Rev_Comp.py <InputFile> > <OutputFile>
  ##
  
  import sys
  
  file=sys.argv[1]
  
  print >> sys.stderr, file 
  
  from Bio import SeqIO
  for record in SeqIO.parse(file, "fasta"):
      print ">"+record.id
      print record.seq.reverse_complement()
  
subject: Create Rev_Comp.py