code: def create_magic_packet(macaddress):
      
      if len(macaddress) == 12:
          pass
      elif len(macaddress) == 17:
          sep = macaddress[2]
          macaddress = macaddress.replace(sep, '')
      else:
          raise ValueError('Incorrect MAC address format')
  
      # Pad the synchronization stream
      data = b'FFFFFFFFFFFF' + (macaddress * 16).encode()
      send_data = b''
  
      # Split up the hex values in pack
      for i in range(0, len(data), 2):
          send_data += struct.pack(b'B', int(data[i: i + 2], 16))
      return send_data
docs: Create a magic packet.
  
      A magic packet is a packet that can be used with the for wake on lan
      protocol to wake up a computer. The packet is constructed from the
      mac address given as a parameter.
  
      Args:
          macaddress (str): the mac address that should be parsed into a
              magic packet.