How to find the specific numbers in a list with a sum of a particular sum with Python

Question

I have a list of numbers:

[40.5, 19.04, 31.72, 68.16, 45.68, 45.68, 532.74, 137.52, 401.58, 25.92, 185.90, 1037.96, 23.41, 829.50, 98.35, 57.12, 620.87, 21, 435.0