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: [-30.66, 134.777, 39.637, -41.053, 60.502, -99.875, -32.055, 51.52, 216.645, 11.994]

Output: 31.143


Input: Consider Input: [-79.597, 26.839, 178.556, -5.626, -37.294, 232.757, 136.684]

Output: 64.617


Input: Consider Input: [-9.761, 132.62, 72.946, 4.588, -93.9]


Output: 21.299