Invert values

Description:

Given a set of numbers, return the additive inverse of each. Each positive becomes negatives, and the negatives become positives.

invert([1,2,3,4,5]) == [-1,-2,-3,-4,-5]
invert([1,-2,3,-4,5]) == [-1,2,-3,4,-5]
invert([]) == []

You can assume that all values are integers. Do not mutate the input array/list.

 

Solution:

1. Get the numbers in the array.
2. Change positive numbers to negative numbers.
3. Change negative numbers to positive numbers.
4. Return the changed array.

 

 

def invert(lst):
    return [-i for i in lst]