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: [93.313, 229.534, 97.742, 249.167, 93.275, 65.841, -24.118, 57.312]

107.758