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: [248.385, -40.468, -97.132]

Output: 36.928


Input: Consider Input: [-49.786, 238.124, -20.697, 32.014]

Output: 49.914


Input: Consider Input: [8.653, -8.358, 0.014, 111.749, -69.492, 119.796]


Output: 27.06