### Question

For this exercise, the `not_sum_to_ten()`

function will return `True`

for the numbers 9 and -1 and return `False`

for 9 and 1. If I wanted to make the function ignore whether the numbers were negative, how would that work?

### Answer

The Python `abs()`

function will return the absolute value of a number. Calling the `abs()`

function during the check as shown below will cause the function to treat 9 and -1 the same as 9 and 1.

```
if (abs(num1) + abs(num2) != 10):
```