Write a text file encryption program and a decryption process. Password rules are: For the lowercase letters, a replaced by x, b replaced by y, c replaced by z, d replaced by a, e replaced by b ,... for capital letters, A replaced by X, B replaced by Y , C replaced by Z, D replaced by A, E replaced by B ,... other characters unchanged.

Packet : 59564451.rar filelist
1.txt

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