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: [133.781, 157.723, 158.61, -61.075, 12.936]

[ 0.333  0.392  0.395 -0.152  0.032]