input: 
  from typing import List, Tuple
  import AES
  
  def encrypt_decrypt_strings(strings: List[str], key: bytes) -> List[Tuple[str, str]]:
      """Encrypt and decrypt a list of strings using AES encryption.
      The key is a byte string of length 16.
      Returns a list of tuples where each tuple contains the original string and the decrypted encrypted string.
      >>> encrypt_decrypt_strings(["hello", "world"], b'Sixteen byte key')
      [("hello", "its value after AES encryption and subsequent decryption might be something like 'hello'"), ("world", "likewise 'world'")]
      """
      results = []
      cipher = AES.new(key, AES.MODE_ECB)
      for s in strings:
          encrypted = cipher.encrypt(s)
          decrypted = cipher.decrypt(encrypted)
          results.append((s, decrypted.decode('utf-8')))
      return results
  
output:     results = []
      cipher = AES.new(key, AES.MODE_ECB)
      for s in strings:
          encrypted = cipher.encrypt(s.encode('utf-8'))
          decrypted = cipher.decrypt(encrypted).decode('utf-8')
          results.append((s, decrypted))
      return results