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.

[EX Q]: [187.54, -56.697, 55.301, 235.071, 176.682, 103.554, -35.29, 84.215]
[EX A]: 93.797

[EX Q]: [153.482, 150.917]
[EX A]: 152.2

[EX Q]: [126.231, 211.943, -67.216, 214.731]
[EX A]:
121.422