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: [-92.0, 108.814, 164.207, 94.26, 33.74]

Output: 61.804


Input: Consider Input: [214.568, 155.798, 113.635, 245.33, 62.896, 20.278, 87.548]


Output: 128.579