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:
[-46.14, -0.077, 72.663, 81.035, -24.144, 66.514, 98.199]

Ex Output:
35.436


Ex Input:
[193.711, 110.309, -20.334, 151.607, 158.797, -97.825, -59.931]

Ex Output:
62.333


Ex Input:
[74.612, 118.316, 223.579, -89.584, -3.216, -91.707, 90.744, 165.764, 232.485, -29.164]

Ex Output:

69.183