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]: [103.885, 191.867, 82.228, 177.708, 136.093, -17.022]
[EX A]: 112.46

[EX Q]: [-61.905, -98.66, 90.472, 237.317, 5.243, 196.933]
[EX A]: 61.567

[EX Q]: [229.556, 154.49, 249.611, -84.337, -98.549, 130.576, 207.072, 118.09, -43.198, 74.119]
[EX A]:
93.743