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]: [108.822, 139.139, 130.938, 100.996, 155.361, 8.752, 221.639, -12.877]
[EX A]: 106.596

[EX Q]: [211.892, 69.725, 110.579, 178.646, 32.595, 163.527, 229.039, -42.103, 51.631, 165.973]
[EX A]: 117.15

[EX Q]: [194.026, 179.483, 77.885, 111.339, 234.419, 138.685]
[EX A]:
155.973