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: [165.647, 110.893, -83.152, -56.699, 19.53, 48.825, -64.043, 199.192, 249.46, 244.789]

Output: 83.444


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

Output: 88.681


Input: Consider Input: [-97.909, 214.745, 31.815, 155.561, -24.58, -32.405, 11.092, 6.17, -62.78, 24.142]


Output: 22.585