def encrypt(message: str, key: str) -> str:
    cipher = []
    for m, k in zip(message, key):
        cipher += [hex(ord(m) ^ ord(k))]
    return " ".join(cipher)

def decrypt(cipher: str, key: str) -> str:
    message = ""
    cipher = cipher.split(" ")
    for c, k in zip(cipher, key):
        message += chr(int(c, base=16) ^ ord(k))
    return message

encrypt('Wesley', 'AAAAAA')
# '0x16 0x24 0x32 0x2d 0x24 0x38'

decrypt('0x16 0x24 0x32 0x2d 0x24 0x38', 'AAAAAA')
# 'Wesley'