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: [125.332, 80.443]

Output: 102.887


Input: Consider Input: [49.462, -87.869, 36.985, 94.248, 175.789]

Output: 53.723


Input: Consider Input: [81.806, 201.553, 150.165, 89.324, -35.483]


Output: 97.473


