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.

[169.131, -79.809, 119.898, 174.146, -1.167, 89.734, 155.318, -26.905, 182.476, 164.085]
94.691

[-71.745, -18.239, 214.837, -22.915, 180.841, -4.641]
46.356

[88.806, -71.43, -61.274, -33.608, 93.919, 2.689, 28.44, 212.039, 182.083, 110.978]

55.264