## Sweet Curry

### Instructions

Create the following functions with the "currying" process:

- mult2 that multiplies two numbers.
- add3 that adds three numbers.
- sub4 that subtracts four numbers.

Please note that those functions can only have one argument each.

### Notions

- [stackoverflow.com/questions/36314/what-is-currying](https://stackoverflow.com/questions/36314/what-is-currying)
