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.

Input: Consider Input: [112.141, 221.013, 75.929, -19.73, 151.257]

Output: 108.122


Input: Consider Input: [188.006, 117.583, 51.262]

Output: 118.95


Input: Consider Input: [-16.708, -25.495, 6.945, 148.353, 204.945, 147.252, 44.48, 229.232]


Output: 92.376


