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: [215.94, 103.823, -82.236, 163.791, 221.906, 119.349, 98.471]

[ 0.257  0.123 -0.098  0.195  0.264  0.142  0.117]