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: [73.331, 85.459, 59.798, -35.019]

Output: 45.892


Input: Consider Input: [-32.499, 21.999, 235.435, 58.638, -57.806, 224.947, 74.782]

Output: 75.071


Input: Consider Input: [-63.155, -44.527, -20.524, 132.804, 26.494, -35.069, 224.395, 173.423]


Output: 49.23