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: [179.929, 180.162, -63.896, -56.366, 233.638]

Output: 94.693

Input: Consider Input: [-94.827, -4.806, 33.138, 11.562, -68.261]

Output: -24.639

Input: Consider Input: [169.842, 149.921, 11.08]
Output: 110.281