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: [47.595, -7.171, 4.333, 160.025, 152.275, 90.23, 128.643, 145.181]

Output: 90.139


Input: Consider Input: [216.883, -37.346, 67.498, 41.686, 140.857, 195.57]

Output: 104.191


Input: Consider Input: [87.629, -90.426, 248.383, -64.858, 67.942, -93.581, 7.873, 230.21, -76.575, 16.206]


Output: 33.28