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:
[89.776, -37.895, -45.315, 75.805, 144.052, 150.156]

Ex Output:
62.763


Ex Input:
[15.491, 60.283, 240.958, 155.995, 35.585, -55.875, 82.379, 142.503, 95.176, 85.281]

Ex Output:
85.778


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

Ex Output:

62.69