input: Write a python function to encrypt a message using AES encryption in ECB mode.
  assert encryptAES(b'This is a test msg') == b'\x8b\xad\xba\x11\x11\x11\x11\x11\x8b\xad\xba\x11\x11\x11\x11\x11'
  assert encryptAES(b'Secret message!!!') == b'\x8b\xad\xba\x11\x11\x11\x11\x11\x8b\xad\xba\x11\x11\x11\x11\x11'
output: from Crypto.Cipher import AES
  from Crypto.Util.Padding import pad
  
  def encryptAES(message):
      key = b'\x8b\xad\xba\x11\x11\x11\x11\x11\x8b\xad\xba\x11\x11\x11\x11\x11'
      cipher = AES.new(key, AES.MODE_ECB)
      padded_message = pad(message, AES.block_size)
      encrypted_message = cipher.encrypt(padded_message)
      return encrypted_message