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: [-55.533, 133.556, 161.034, 45.945, -34.893, 137.106, 121.572]

[-0.109  0.262  0.317  0.09  -0.069  0.269  0.239]