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: [-18.994, -86.937, 121.405, 228.53, -68.709, 14.806, -47.505, 92.62, 158.808]

[-0.048 -0.221  0.308  0.58  -0.174  0.038 -0.121  0.235  0.403]