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: [36.34, -16.727, 140.541, 127.454, -94.11, -74.52, 96.179, -9.121, -65.54]

Output: 15.611


Input: Consider Input: [80.493, 235.968, -57.18, 38.066, -86.511, 193.785, 156.598, 45.139, 61.791, 141.607]

Output: 80.976


Input: Consider Input: [218.711, -55.869, -23.387, 147.697, -19.716, 107.4, 73.115, 9.797, -58.891, 190.102]


Output: 58.896