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: [88.755, -64.951, 41.008]

Output: 21.604


Input: Consider Input: [116.268, 173.27, 228.827, 52.695, 66.445, -34.051, 152.137]

Output: 107.942


Input: Consider Input: [231.057, 71.527, 201.799, -5.17, -14.963, -35.693]


Output: 74.76