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: [66.037, 30.958, 124.853]

Output: 73.949


Input: Consider Input: [179.144, 114.883, -6.86, 137.104, 4.024, 55.61, 169.274, -60.246, 66.322, -92.91]

Output: 56.634


Input: Consider Input: [-24.715, 212.353, 112.728, 199.732, 245.806, 194.54, 98.658, 249.16, 225.633, -58.661]


Output: 145.523