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.

[95.725, 112.04, 231.963]
146.576

[116.268, 173.27, 228.827, 52.695, 66.445, -34.051, 152.137]
107.942

[-38.063, -41.033, 67.932, 201.401, 159.948, 119.631, 73.635, -96.282, 85.486]

59.184