The following code include the last number.

```
>>> numbers = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
>>> numbers[::3]
[1, 4, 7, 10]

```

Why does not includet the last number 2, like 10, 8, 6, 4, 2?

```
>>> numbers = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
>>> numbers[:1:-2]
[10, 8, 6, 4]

```