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: [215.96, 157.57, -75.527, 152.006, 234.183, 239.413, -78.484, -35.807, -25.754]

[ 0.276  0.201 -0.096  0.194  0.299  0.306 -0.1   -0.046 -0.033]