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: [80.493, 235.968, -57.18, 38.066, -86.511, 193.785, 156.598, 45.139, 61.791, 141.607]

Output: 80.976


Input: Consider Input: [149.806, 232.621, 119.06]

Output: 167.162


Input: Consider Input: [249.085, -35.387, -97.119, -33.367, 35.424]


Output: 23.727


