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.
--------
Question: [88.755, -64.951, 41.008]

Answer: 21.604


Question: [85.011, -20.439, 195.195, 114.286]

Answer: 93.513


Question: [136.386, -37.004, 33.718, 90.062, 149.886]

Answer:
74.61