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: [8.015, 163.159, -7.852, 235.127, 70.681, 223.469, 28.967, 195.462, -93.872, -95.538]

72.762