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.

Ex Input:
[39.88, 58.489, 225.343, 105.008, 210.581, 35.577]

Ex Output:
112.48


Ex Input:
[-56.201, -77.67, -75.53, -51.92, 146.416, 141.525]

Ex Output:
4.437


Ex Input:
[-53.89, 13.76, -7.71, 206.702, -60.992, 185.008, -78.074, -37.252, -42.426, 224.717]

Ex Output:

34.984