Definition: In this task you will be given a list of numbers and you need to find the mean (average) of that list. The mean of a list can be found by summing every number in the list then dividing the result by the size of that list. The output should be rounded to 3 decimal places.
Input: [-97.909, 214.745, 31.815, 155.561, -24.58, -32.405, 11.092, 6.17, -62.78, 24.142]

22.585