## printhex

### Instructions

Write a program that takes a positive (or zero) number expressed in base 10, and displays it in base 16 ( with lowercase letters) followed by a newline.

- If the number of parameters is not 1, the program displays a newline.

Examples of outputs :

```console
student@ubuntu:~/piscine/test$ go build
student@ubuntu:~/piscine/test$ ./test "10"
a
student@ubuntu:~/piscine/test$ ./test "255"
ff
student@ubuntu:~/piscine/test$ ./test "5156454"
4eae66
student@ubuntu:~/piscine/test$

student@ubuntu:~/piscine/
```