## displayalrevm

### Instructions

Write a program that displays the alphabet in reverse, with even letters in
uppercase, and odd letters in lowercase, followed by a newline.

The function must have the next signature.

Example :

```console
student@ubuntu:~/student/displayalrevm$ go build
student@ubuntu:~/student/displayalrevm$ ./displayalrevm | cat -e
aBcDeFgHiJkLmNoPqRsTuVwXyZ$
student@ubuntu:~/student/displayalrevm$
```