## Sweet Curry

### Instructions

Create the following functions with the "currying" process. Those functions should accept only one argument each.

- `mult2`: that multiplies two numbers.
- `add3`: that adds three numbers.
- `sub4`: that subtracts four numbers in the given order: first number minus second number etc.

### Notions

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