Definition: In this task, you will be given a list of numbers. The goal is to divide all the numbers in the list by a constant such that the sum of the resulting list is 1. The output should be rounded to 3 decimals.
Input: [-69.532, -16.111, -76.822, 231.345, -91.541, 129.621]

[-0.65  -0.151 -0.718  2.163 -0.856  1.212]