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]: [-27.722, -35.758, 83.995, -7.374, 60.825, 165.182]
[EX A]: 39.858

[EX Q]: [142.225, 243.809, -41.935, 96.795, -99.067, 222.292, 113.486, 143.726]
[EX A]: 102.666

[EX Q]: [-75.394, 243.243]
[EX A]:
83.924