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: [-71.393, 77.329, 210.099, 137.704, 162.122, -15.598, -0.209]
Output:
[-1.428e-01  1.546e-01  4.202e-01  2.754e-01  3.242e-01 -3.119e-02
 -4.180e-04]