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.

[126.136, -23.429, -25.125, -32.203, 36.405, 44.406, 147.828, -97.708, -69.793, 235.046]
34.156

[166.542, 216.326, 98.969, -96.779, 33.532]
83.718

[220.502, 120.286, 84.602, 152.56, 67.934, -15.515, 75.274, 165.703, 61.737]

103.676