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: [221.039, 204.251, 109.526, 90.226, 155.214, 183.969, -86.763, 188.674, 85.207]

[ 0.192  0.177  0.095  0.078  0.135  0.16  -0.075  0.164  0.074]