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.

Ex Input:
[82.992, 235.629, -36.094, -43.326, 27.531, -12.091, 212.495, 34.388]

Ex Output:
62.69


Ex Input:
[207.804, 175.122, 13.63, 217.625, -98.484]

Ex Output:
103.139


Ex Input:
[20.772, 52.496, -98.992, 67.762, 8.283, -40.419, 51.59, 41.582]

Ex Output:

12.884