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: [-33.746, 231.27, 122.704, -25.907, -56.96]

Output: 47.472


Input: Consider Input: [246.282, 231.815, 1.709, -51.234, -76.432, 21.802, 18.917, 106.734, 168.909, -67.647]

Output: 60.085


Input: Consider Input: [105.521, 59.253, 117.012, 129.965, 95.155]


Output: 101.381