python3 base64

#!/usr/bin/env python3

import base64

encoded = base64.b64encode(b'Greetings and merry christmas')
#b'R3JlZXRpbmdzIGFuZCBtZXJyeSBjaHJpc3RtYXM='

print(encoded)

data = base64.b64decode(encoded)

print(data)