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:
[84.13, 59.186, 115.606]

Ex Output:
86.307


Ex Input:
[182.34, 105.105, 248.658, 104.174, -98.917, -47.707, -61.048, 241.903, -34.659, 31.89]

Ex Output:
67.174


Ex Input:
[200.597, -6.12, -10.081, 178.124, -1.971, 55.151, 175.515, -27.702, 244.955, 133.591]

Ex Output:

94.206