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:
[53.271, 224.646, -66.568, -23.058, -60.09, 178.437, -70.082, 131.116]

Ex Output:
45.959


Ex Input:
[45.112, 147.024, -15.583, 33.655, -60.031]

Ex Output:
30.035


Ex Input:
[25.149, 223.851, 78.925, 169.842, -19.365, 40.834, 194.112, -8.807, 26.118, 232.943]

Ex Output:

96.36