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: [24.119, 239.006, 239.873, 236.27, 134.34]

Output: 174.722


Input: Consider Input: [108.26, -20.681, 127.479, -29.352]

Output: 46.426


Input: Consider Input: [175.27, -60.238, 168.766, -97.844, 114.822, -71.094, 153.536, 183.657]


Output: 70.859