from pycipher import PolybiusSquare

print PolybiusSquare('phqgiumeaylnofdxkrcvstzwb',5,'ABCDE').encipher('helloworld')
print PolybiusSquare('phqgiumeaylnofdxkrcvstzwb',5,'ABCDE').decipher('ABBCCACACCEDCCDCCACE')