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: [129.28, 215.522, 226.644, -80.033, 135.837, -80.271, 72.328, 188.987, 146.336]

[ 0.135  0.226  0.237 -0.084  0.142 -0.084  0.076  0.198  0.153]