C:\python caesar_decoder.py
Enter cipher to decode: WKLV LV PB PHVVDJH
Enter your guess of shift: 3

C:\python ROT13_encoder_decoder.py
Enter message that you would like to encrypt/decrypt using ROT13: GUR FXL VF OYHR NAQ GUR TENFF VF TERRA

C:\python base64_decoder.py
Enter cipher to decode: WKLV

C:\python XOR_encoder_decoder.py
Enter the cipher text or plain text: ROSESARERED
Enter the key for encryption or decryption: 2134
Here's the output: