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.

[59.251, 198.593]
128.922

[245.091, 201.984, 204.428, 222.046, 4.807, 21.497, -34.025, 160.097]
128.241

[174.312, 144.067]

159.19