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:
[-95.352, -26.358, 34.234, 162.959, 239.101, 137.014]

Ex Output:
75.266


Ex Input:
[128.472, 149.361, 71.023, -96.651]

Ex Output:
63.051


Ex Input:
[228.745, -37.525]

Ex Output:

95.61