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

[EX Q]: [-55.198, 36.097, 190.132]
[EX A]: 57.01

[EX Q]: [42.599, 243.483, 230.824, -47.984, -99.619, 79.861, 143.785, 144.058]
[EX A]:
92.126