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.

[-3.857, -93.605, 43.857, -73.731, 84.094, -24.492, -41.811, 115.552, 231.429, 130.678]
36.811

[26.595, 220.402, -36.236, -79.382, -17.51, -71.282]
7.098

[16.315, 212.855, 144.117, 234.26, 229.396, 41.769, 37.15, 175.404]

136.408

