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: [-98.809, 139.617, 148.76, -52.034, 161.969, 117.253, 16.668, 164.37, -75.91, -31.599]

Output: 49.028


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: [17.608, 239.548, 40.829, 220.402, -70.145]


Output: 89.648