RosettaCodeData/Task/Playfair-cipher/00-TASK.txt

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;Task:
Implement a [[wp: Playfair cipher| Playfair cipher]] for encryption and decryption.
The user must be able to choose   '''J'''  =  '''I'''     or   no   '''Q'''   in the alphabet.
The output of the encrypted and decrypted message must be in capitalized digraphs, separated by spaces.
;Output example:
HI DE TH EG OL DI NT HE TR EX ES TU MP
<br><br>