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.

[26.145, -44.254, 127.581, 162.122, 82.003, 143.809, 96.47, 34.362, 71.469]
77.745

[219.336, -29.108, -41.612, 105.709]
63.581

[85.886, 195.421, 139.334, -76.204]

86.109