PLAYFAIR-CIPHER-PYTHON- #OUTPUT Enter keyNETWORK 1.Encryption 2.Decryption: 3.EXIT1 ENTER MSG:SECURITY CIPHER TEXT: MO RZ CD WX 1.Encryption 2.Decryption: 3.EXIT2 ENTER CIPHER TEXT:MORZCDWX PLAIN TEXT: SE CU RI TY 1.Encryption 2.Decryption: 3.EXIT