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: [44.659, -7.967, 27.321, 68.288, 124.785, -26.213, 27.928, -19.832, 176.029]

46.111