Instructions: 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: [206.978, -67.888, 59.59, 9.284, 6.89, -60.047, -15.482, 27.76, 139.369]
Output:
[ 0.675 -0.222  0.194  0.03   0.022 -0.196 -0.051  0.091  0.455]