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: [-71.118, 160.927, 230.116, -26.655, -4.297, 64.272, 72.304, 41.517, 242.068]

Output: 78.793


Input: Consider Input: [185.594, 89.215, 19.941, 23.299, 47.251]

Output: 73.06


Input: Consider Input: [-34.306, 40.947, 218.854, 86.983, 29.356, 72.179, -26.301, 69.421, -55.629, 8.753]


Output: 41.026