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: Consider Input: [-4.749, 102.787, -45.229, 184.111, 221.888, 22.727, 20.887, 34.094]

Output: 67.065


Input: Consider Input: [-79.521, 169.962, 120.036, -71.612, -53.261, -90.734, -35.559, 140.419, 25.016]

Output: 13.861


Input: Consider Input: [-72.672, 36.449, 4.256, 145.797, 103.187, 208.111, 108.054, -44.634, 173.476, 170.388]


Output: 83.241