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: [-59.862, 176.849, 54.308, 107.664, -42.815, -48.371, 124.723, 238.97]

68.933