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: [-93.372, 58.665, 230.024, 208.635]

Output: 100.988


Input: Consider Input: [142.225, 243.809, -41.935, 96.795, -99.067, 222.292, 113.486, 143.726]

Output: 102.666


Input: Consider Input: [54.908, 25.798]


Output: 40.353