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: [58.371, 4.131]

Output: 31.251


Input: Consider Input: [133.309, 99.886, 83.459, -20.236, 100.458, -42.182, -10.716, -6.752]


Output: 42.153