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]: [197.424, 44.178, 136.316, 246.48, 98.472, -31.327, 41.411]
[EX A]: 104.708

[EX Q]: [202.411, 127.775, 165.721, -41.545, 113.127, 229.974, 111.13, 208.686, 92.744, 36.522]
[EX A]: 124.654

[EX Q]: [-33.09, -71.958]
[EX A]:
-52.524