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: [80.113, -28.006, -40.254, 222.454, 29.784, 129.871, 141.71, -44.716, -22.74]

Output: 52.024


Input: Consider Input: [93.048, 173.783, 88.736, -95.085, -77.155, -2.381, -84.313]

Output: 13.805


Input: Consider Input: [146.924, 13.919, 48.08, 195.602]


Output: 101.131