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: [16.256, 155.71, 43.059, -64.109, -42.445, 78.725, -12.941, 47.497]

Output: 27.719


Input: Consider Input: [17.002, 179.236, 60.396, 98.09]

Output: 88.681


Input: Consider Input: [115.158, 2.296, 122.393, -22.615, 56.661, 70.718, -79.846, 95.847]


Output: 45.076