VIIII

import base64

def encode_message (message: str) -> str:
    return base64.b64encode(message.encode()).decode()
def decode_message (encoded_message: str) -> str:
    return base64.b64decode(encoded_message.encode()).decode()

msg = "Hello, this is a secret!"
encoded = encode_message(msg)
decoded = decode_message(encoded)

print ("Encoded:", encoded)
print ("Decoded:", decoded)