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: [-58.852, 10.842, 19.092, 210.131, 74.048, -64.497, -29.991, -4.15, -59.958, 47.093]
Output:
14.376