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: [-71.745, -18.239, 214.837, -22.915, 180.841, -4.641]

Output: 46.356


Input: Consider Input: [-10.287, -0.47, 195.152, 209.845, -64.645, -82.959, 106.327]

Output: 50.423


Input: Consider Input: [120.774, 80.242, 44.139]


Output: 81.718