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.

[159.381, -84.046]
37.668

[148.261, -51.308, -98.748, -41.832, 44.313, -41.042, -19.943]
-8.614

[38.218, 209.805, 234.045, 4.987, 151.851, 43.495, -14.181]

95.46