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: [214.036, 24.752, 106.748, 206.9, 42.432, 233.646]

Output: 138.086


Input: Consider Input: [-47.309, -46.076, 191.14, -6.032, 4.858]

Output: 19.316


Input: Consider Input: [47.595, -7.171, 4.333, 160.025, 152.275, 90.23, 128.643, 145.181]


Output: 90.139


