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.

[112.53, -67.079, 177.313, 230.482, 57.316, -37.564]
78.833

[53.271, 224.646, -66.568, -23.058, -60.09, 178.437, -70.082, 131.116]
45.959

[37.652, 151.057, -69.706, 95.099]

53.526