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: [-61.563, 49.659, 125.562, 130.542, 75.232, 197.442, 175.182, 54.736, 210.833, 65.27]

Output: 102.289


Input: Consider Input: [78.523, 239.098, 9.698, 69.94]

Output: 99.315


Input: Consider Input: [-4.447, 39.811]


Output: 17.682