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:
[82.992, 235.629, -36.094, -43.326, 27.531, -12.091, 212.495, 34.388]

Ex Output:
62.69


Ex Input:
[204.235, -53.675, 201.303, 20.869]

Ex Output:
93.183


Ex Input:
[186.393, -36.585, 69.153, 218.193, 218.362, 128.006, -68.039, 46.102, 131.093]

Ex Output:

99.186