I believe this is an ideal program where the original string has not been lost. But is it truly efficient? I doubt it because of the usage of a LIST with TWO looping constructs which would definitely be slower than other solutions More

This is how even I solved(with the help of mentors obviously!) it but is it truly ideal? No. The original string is lost in the process of decryption. More

This is an interesting way to think - the use of logic operators and the max,min functions! More