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.

Ex Input:
[194.983, -22.961, 95.798, -2.34, 178.547, -90.942, 122.52, 109.389]

Ex Output:
73.124


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

Ex Output:
61.804


Ex Input:
[150.433, -29.116, 78.901, 14.882, -98.283, 244.537, 155.912, 119.125, 204.008, 24.525]

Ex Output:

86.492