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: [48.462, -80.347, -19.649, 180.664, -24.117]

Output: 21.003


Input: Consider Input: [-66.676, -7.063, -18.028, 13.407, 54.369, 148.394, -93.155]

Output: 4.464


Input: Consider Input: [-35.02, 83.136, 53.543, -54.049, 106.247]


Output: 30.771