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: [-24.857, -28.799, 240.99]

Output: 62.445


Input: Consider Input: [-50.208, 248.001, -92.993, -67.867, -25.771, 57.557]

Output: 11.453


Input: Consider Input: [-10.284, 29.323, 129.426, 159.127, 118.615, 104.019]


Output: 88.371