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.

[39.88, 58.489, 225.343, 105.008, 210.581, 35.577]
112.48

[-20.702, 4.455, 37.838, 102.751, 231.6, -23.075, 236.527, 227.109, 171.708, 46.239]
101.445

[216.358, 5.593, 127.534, 244.441, 124.313, 162.482, 104.253, 69.739, -72.636]

109.12

