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: [-3.281, 84.204, -74.415, 151.616, 14.048, -98.313, 95.625, -79.981]

Output: 11.188


Input: Consider Input: [199.874, -45.634, -39.343, 75.985, 143.35, 87.15, 120.645, -34.636, 159.567]

Output: 74.106


Input: Consider Input: [183.184, 122.179, 241.407, 3.924, 69.309, 133.988, -62.87, -95.258, 165.007, -34.058]


Output: 72.681