output

'+\x1c'
'+\x1c'

python version

def pythoncryptography():
    from cryptography.hazmat.backends import default_backend
    from cryptography.hazmat.primitives.ciphers import (
        Cipher,
        algorithms,
        modes,
        CipherContext,
    )

    def get_enc():
        key = b"\x42" * 16
        iv = b"\x00" * 16
        cipher = Cipher(
            algorithms.AES(key),
            modes.CTR(iv),
            backend=default_backend()
        )
        return cipher.encryptor()                                                                                                                                                            

    enc = get_enc()
    print(repr(enc.update(b"XX")))

    enc = get_enc()
    print(repr(enc.update(b"X") + enc.update(b"X")))