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: [73.603, -84.154, 222.739, 205.594, 215.842]

Output: 126.725


Input: Consider Input: [-66.735, 23.822, -34.5, 118.327, 242.333]

Output: 56.649


Input: Consider Input: [-16.559, 229.308, 159.453, -13.787, 92.134, 223.041, 10.402, 203.918]


Output: 110.989