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.

[126.177, 120.225, 231.498, 170.694, 34.361, 101.823, -21.468, 234.339]
124.706

[51.02, -71.125, 178.19, -7.234, -99.571, -17.215]
5.677

[132.008, -28.11, -90.573, 196.93, 26.971]

47.445