def decodeScrapeshieldEmail(string):
  retval = ""
  key = int(string[:2], 16)
  for char in [int(string[i:i+2], 16) for i in range(2, len(string), 2)]:
  retval += chr(char ^ key)
  return retval
  #return "".join([chr(char^int(string[:2],2))for char in [int(string[i:i+2],16)for i in range(2,len(string),2))]])