## Last First Kiss

### Instructions

Create 3 functions:

- `first`: that takes an array or a string and returns its first element or character.

- `last`: that takes an array or a string and return its last element or character.

- `kiss`: that takes an array or string, and returns an array of 2 elements. The returned array should contain the last and first elements or characters, in that order.

### Notions

- [Data Structures.js](https://nan-academy.github.io/js-training/examples/data-structures.js)
- [Get.js](https://nan-academy.github.io/js-training/examples/get.js)
