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.

[10.724, -65.993, 107.56, 154.38, 117.135, 114.495, 11.544]
64.264

[1.435, 246.462, 5.433, -3.093, 31.948, 113.344, 41.816, 43.437, -93.129, 116.292]
50.395

[-97.524, -44.575, 213.291, -6.679, 75.572, 142.403, 176.858, -83.553]

46.974