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:
[175.015, 7.294, -30.146, 197.862, 76.557, 16.567, 176.301]

Ex Output:
88.493


Ex Input:
[209.76, 2.044, 14.651, 206.465, 47.089, -40.192, -95.23, 52.993]

Ex Output:

49.698