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.
Q: [162.196, 81.343, -41.943, 120.664, 161.094, -62.456, -73.881, 111.233, 220.143, 64.93]
A: 
[ 0.218  0.109 -0.056  0.162  0.217 -0.084 -0.099  0.15   0.296  0.087]