>>> polybius_encipher('this is a test message for the ' \
'polybius decipherment', 'elephant', \
[1, 2, 3, 4, 5], [1, 2, 3, 4, 5], \
>>> polybius_encipher('this is a test message for the ' \
'polybius decipherment', 'elephant', \
[1, 2, 3, 4, 5], [1, 2, 3, 4, 5], \