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: [77.498, 234.955, 184.005, -48.344, 113.167]

Output: 112.256


Input: Consider Input: [185.805, 8.01, 151.056, 35.572, 51.884, 217.1, -0.547, 8.171]

Output: 82.131


Input: Consider Input: [-46.917, 158.385, -7.145, 98.562, 156.985, 52.095, 130.667, -62.223]


Output: 60.051