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: [169.131, -79.809, 119.898, 174.146, -1.167, 89.734, 155.318, -26.905, 182.476, 164.085]

Output: 94.691


Input: Consider Input: [-60.041, -56.779, 6.2, 73.114, 137.319]

Output: 19.963


Input: Consider Input: [153.539, -51.583, 173.264, 213.663, 211.19, 216.358, 237.361, -57.464]


Output: 137.041