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: [192.335, 189.22, 235.216, 130.727, 222.285]

Output: 193.957


Input: Consider Input: [109.109, -95.395, 5.04, 45.497, 56.443, -72.916]

Output: 7.963


Input: Consider Input: [-52.28, 151.761, 101.292, 121.159, 10.621, 165.968, 10.761, -84.867, 150.813, 126.95]


Output: 70.218