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: [182.34, 105.105, 248.658, 104.174, -98.917, -47.707, -61.048, 241.903, -34.659, 31.89]

Output: 67.174


Input: Consider Input: [118.783, 191.64, 225.792, 160.903, 209.763, 39.225, 24.607]

Output: 138.673


Input: Consider Input: [116.726, 54.909, 89.53]


Output: 87.055