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: [72.617, -94.419, 104.477, 184.593, 13.528, 47.333, 51.86, 38.279, 167.946, 30.116]

61.633