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.

[93.72, 13.366, -44.452, -29.011, 56.593, 5.272, -20.162, 160.282, 44.017]
31.069

[135.575, 134.352, 209.54, 199.614, 87.027, 215.933, 49.266, 167.288, 164.589]
151.465

[-3.91, 22.742, 46.288, -49.853, 149.36, 175.956, 225.821, -17.566, -56.963]

54.653