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.

[234.404, 162.933, 178.375, 10.683, 181.727, -50.587, 169.507, -72.896, 168.06, 238.363]
122.057

[150.321, 169.658, 221.448, 54.785, 160.245, 9.534, 78.865, 229.753, 225.969]
144.509

[84.218, 124.752]

104.485