Is that a suggestion? Because there are only 2 languages (JS and Python), and both of them have easy ways to print to stdout. What you're saying makes no sense.
Way too easy is not an issue ;-)
Not an issue
This comment is hidden because it contains spoiler information about the solution
The code have been enclosed.
Thank you for you input.
This and this will show you the reason
EDIT: I already solved it but somehow my solution is not displayed (it always happen)
("...yet another Caesar cipher kata...")
Well, not so "yet another". At least there is a twist. ;)
Some issues, though:
I suggest also adding encryption ponctuation using pontuation list: for example in the set [",",";",":","?","!"," ","."] with a shifting of 5 "!" becomes ":"