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.

[-41.714, 218.588, 49.769, 142.519, 179.776, -99.226, 224.69, 191.642]
108.256

[-10.287, -0.47, 195.152, 209.845, -64.645, -82.959, 106.327]
50.423

[42.432, 131.744, 232.352, 43.867]

112.599