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.

[194.964, 80.506, -41.268, 32.912, -21.6, 21.543, 69.269]
48.047

[89.776, -37.895, -45.315, 75.805, 144.052, 150.156]
62.763

[238.225, 58.205]

148.215