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:
[214.036, 24.752, 106.748, 206.9, 42.432, 233.646]

Ex Output:
138.086


Ex Input:
[110.444, 23.089, -6.235, 112.579, 31.292, 190.857, 58.854, 148.587, 163.706, -5.219]

Ex Output:
82.795


Ex Input:
[-37.636, 108.306, 31.669, 51.574, 93.897, 137.828, 125.5, -90.822]

Ex Output:

52.54