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: [-74.139, -62.711, 83.1, 211.243, -2.696, 30.722, 79.262, 230.335]

Output: 61.89


Input: Consider Input: [169.737, 56.872, 102.557, -9.77]

Output: 79.849


Input: Consider Input: [-10.81, -85.2, 175.121, 211.351, 97.893]


Output: 77.671


