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.

[185.594, 89.215, 19.941, 23.299, 47.251]
73.06

[-51.496, 56.177, 55.554, -17.425, -6.185, 3.721]
6.724

[15.799, 6.545, 101.018, -76.074, 51.291, -58.732, 131.857, -36.93, 131.423]

29.577