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: [85.925, 218.341, -55.232, 136.11, 243.387, 98.158, 183.742, 85.875, 124.291, -95.213]

Output: 102.538


Input: Consider Input: [185.805, 8.01, 151.056, 35.572, 51.884, 217.1, -0.547, 8.171]

Output: 82.131


Input: Consider Input: [-18.341, 65.508, 39.034, 14.177, 215.222, 121.43, 0.83, 175.684, 1.246]


Output: 68.31