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:
[-41.714, 218.588, 49.769, 142.519, 179.776, -99.226, 224.69, 191.642]

Ex Output:
108.256


Ex Input:
[32.131, 116.887, 66.741, 218.719, 106.049, -93.999]

Ex Output:
74.421


Ex Input:
[76.071, 140.473, -53.834, 132.408, 171.396, 71.242, 217.207]

Ex Output:

107.852