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.

[179.836, 115.658, -58.613, 29.591, 198.709]
93.036

[135.962, 136.509, 77.88, 148.448]
124.7

[233.94, 51.078]

142.509