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:
[93.72, 13.366, -44.452, -29.011, 56.593, 5.272, -20.162, 160.282, 44.017]

Ex Output:
31.069


Ex Input:
[114.041, 53.494, 14.751, -0.392, -70.081, 116.8, 1.044, -50.731]

Ex Output:
22.366


Ex Input:
[41.621, 71.805, 69.776, 1.679, 216.449, 183.495, -59.441, -6.956]

Ex Output:

64.804