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.

[-34.026, 86.773, 149.194, 228.14]
107.52

[206.606, -76.103, -16.863, 44.126, 4.019, 15.088]
29.479

[-16.151, -73.654]

-44.902