Hello, I am new to this forum as well as to basically any form of programming. I have recently signed up for a programming class in my school. During the first lesson the teacher explains what we will be doing this year and then without even giving us a brief explanation of any basic commands tells us to write a program in C++ using CodeBlocks's Console Application that replaces any typed in letter with it's opposite in the alphabet (as in for example a is switched to z; b is replaced with y; etc), for the next class. I have no idea why does he think I must have some prior experience with C++ considering I signed up for a basic programming class but he seems to think so either way.
So I was hoping that someone could perhaps show me how a command/script like this would look. And it is not just a single letter that it's supposed to replace but all the letters in an entire word or sentence.