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: [169.131, -79.809, 119.898, 174.146, -1.167, 89.734, 155.318, -26.905, 182.476, 164.085]

Output: 94.691


Input: Consider Input: [-59.526, 55.871, 118.248, 197.073]

Output: 77.916


Input: Consider Input: [9.786, 4.383, 175.284, 142.256, -95.57, -81.48, 116.872, 195.826]


Output: 58.42