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: [35.368, -23.758, 205.937, 205.23, 164.6, 64.942, 24.652, -0.454]

84.565