text: import difflib
  import sys
  
  fromfile = sys.argv[1]
  tofile = sys.argv[2]
  outputfile = sys.argv[3]
  fromlines = open(fromfile, 'r').readlines()
  tolines = open(tofile, 'r').readlines()
  out = open(outputfile, 'w')
  
  diff = difflib.HtmlDiff().make_file(fromlines,tolines,fromfile,tofile)
  
  out.writelines(diff)