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: [48.122, -2.158, 12.547, -39.257, -62.936, 120.37, 133.697, 68.132, 93.801]

Output: 41.369


Input: Consider Input: [-9.301, -10.629, 88.777, 68.965]

Output: 34.453


Input: Consider Input: [49.625, -76.969, 191.119, -79.085]


Output: 21.173