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]: [112.026, 20.03, 73.595, -24.957, 185.718, 36.43, 206.024]
[EX A]: 86.981

[EX Q]: [185.594, 89.215, 19.941, 23.299, 47.251]
[EX A]: 73.06

[EX Q]: [-3.31, -26.651, -39.562, 212.398]
[EX A]:
35.719