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: [143.774, 31.518, 26.686, 87.068, 241.636, -13.122, 34.763]

[ 0.26   0.057  0.048  0.158  0.437 -0.024  0.063]