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: [217.69, -16.119, 116.868, 150.311, 225.344, 152.023, 114.254]

[ 0.227 -0.017  0.122  0.157  0.235  0.158  0.119]