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.

[41.212, 221.072, 226.666, 3.688, 180.239, 142.767, 184.012, 63.249]
132.863

[157.631, 106.369, -25.319, 160.78, -87.597, 222.819, -60.99, 36.758, -3.695]
56.306

[154.057, 127.625, -90.321, 78.092, 10.459, 13.407, 16.4, -67.357, -95.83, 136.481]

28.301