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: [182.641, -79.003, -79.257, 41.314, 201.125, -70.56, 204.51, 138.512]

67.41