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:
[-8.87, 232.908, 141.714, -47.559, 161.192, 203.441]

Ex Output:
113.804


Ex Input:
[96.706, 239.918, 73.299, 68.184, 233.512, -76.407]

Ex Output:
105.869


Ex Input:
[214.7, 128.125, 162.523, 199.699]

Ex Output:

176.262