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.

[113.021, 101.946, -14.79, -8.555, -59.095, -74.169, 80.193, 157.87, 26.321, -19.87]
30.287

[232.014, -52.265]
89.875

[-16.897, 83.566, 220.893, 234.562, 79.99, 152.134, 210.173, -88.351, 13.81]

98.876