ord(' ' chr( + 'ichr( ' chr(ord(' ')'ford(chr( ) on the third linechr( + evaluates to chr( if you look at the ascii tableyou can see that is the ordinal for the capital letter "ion the fifth linechr(ord(' ')evaluates to chr( which evaluates to 'fthe ord(and chr(functions are the opposite of each other sample run of caesar cipher here is sample run of the caesar cipher programencrypting messagedo you wish to encrypt or decrypt messageencrypt enter your messagethe sky above the port was the color of televisiontuned to dead channel enter the key number ( - your translated text isgur fxl nobir gur cbeg jnf gur pbybe bs gryrivfvbagharq gb qrnq punaary now run the program and decrypt the text that you just encrypted do you wish to encrypt or decrypt messagedecrypt enter your messagegur fxl nobir gur cbeg jnf gur pbybe bs gryrivfvbagharq gb qrnq punaary enter the key number ( - your translated text isthe sky above the port was the color of televisiontuned to dead channel if you do not decrypt with the correct keythe decrypted text will be garbage datado you wish to encrypt or decrypt messagedecrypt enter your message