## Creating Classes (#3)

Create a `Robot` class with the following four member functions:
`right(steps: Int)`, `left(steps: Int)`, `down(steps: Int)` and
`up(steps: Int)`. Each function should display one of the following phrases
on the console:

```
Right N steps
Left N steps
Down N steps
Up N steps
```

where N is the provided number of steps.