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: [14.166, 216.734, -23.073, 209.811, 203.336, 91.659, 142.602, 1.151, -39.869, -54.838]

Output: 76.168


Input: Consider Input: [-15.843, 236.17, -79.922, -29.879]

Output: 27.632


Input: Consider Input: [67.083, 176.147, 155.385, 204.048, 247.357, 200.937, -6.19, 195.832, -87.09, 36.547]


Output: 119.006