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.

[70.282, -54.718, 95.793, 94.043, 183.314]
77.743

[149.451, 230.29, 56.327, -72.328, -73.276, -90.669, 206.191, 87.481]
61.683

[3.323, 223.97, 242.737, 82.121, 27.648, 94.639, -33.193, 3.522, -50.421]

66.038