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.

[208.678, 219.921, 113.318, 23.83, -42.88, -32.702, -36.191, 117.84, 91.988]
73.756

[125.987, 140.164, 103.07, -78.923, -92.734, -96.888]
16.779

[219.675, 152.31, 74.433, 218.243, 106.941, 25.977, 199.321, 119.022, 219.797, 245.448]

158.117