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: [80.113, -28.006, -40.254, 222.454, 29.784, 129.871, 141.71, -44.716, -22.74]

Output: 52.024


Input: Consider Input: [-6.305, 138.079, 112.522, 52.257, -2.129]

Output: 58.885


Input: Consider Input: [85.886, -99.995, 91.906, -98.811, 165.516, 84.794]


Output: 38.216