Definition: 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.
Input: [99.995, -95.685, 41.622, 66.987, -99.13, 151.852, 179.826, 59.189, 113.313, -29.925]

48.804