binascii

import binascii


def main():
    b = b"\x12\xaf\x00\xff"
    print(b)
    
    print(binascii.hexlify(b))
    print(binascii.hexlify(b).decode())
    print(binascii.hexlify(b, ":"))

    encoded = binascii.b2a_base64(b)
    print(encoded)
    print(encoded.decode())

    decoded = binascii.a2b_base64(encoded)
    print(decoded)


if __name__ == "__main__":
    main()