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: [-1.833, 218.553, -61.132, -19.027, 87.034]

Output: 44.719


Input: Consider Input: [225.697, 75.029]

Output: 150.363


Input: Consider Input: [-29.406, 6.867, 186.276, 183.81]


Output: 86.887


