Take an array of integers (positive or negative or both) and return the sum of the absolute value of each element.
get_abs_sum([2, -1, 4, 8, 10]) ➞ 25
get_abs_sum([-3, -4, -10, -2, -3]) ➞ 22
get_abs_sum([2, 4, 6, 8, 10]) ➞ 30
get_abs_sum([-1]) ➞ 1