code: def md5sum(data):
      
      if six.PY3:  # pragma: no cover
          return hashlib.md5(data.encode('utf-8')).hexdigest()
      else:  # pragma: no cover
          return hashlib.md5(data).hexdigest()
docs: Return md5sum of data as a 32-character string.
  
      >>> md5sum('random text')
      'd9b9bec3f4cc5482e7c5ef43143e563a'
      >>> md5sum(u'random text')
      'd9b9bec3f4cc5482e7c5ef43143e563a'
      >>> len(md5sum('random text'))
      32