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: [19.411, 98.535, 23.244, -49.953, 193.087, -64.046, 160.725, 106.174]

60.897