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.

[206.606, -76.103, -16.863, 44.126, 4.019, 15.088]
29.479

[26.595, 220.402, -36.236, -79.382, -17.51, -71.282]
7.098

[-59.409, 11.318, 60.798, 73.485, 72.784, -16.016, -33.438, -73.826, 66.933, -59.474]

4.316