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]: [224.131, -2.975, 101.116, 127.048, -67.279, -25.825, 136.475, -51.855, 117.178, 219.264]
[EX A]: 77.728

[EX Q]: [39.88, 58.489, 225.343, 105.008, 210.581, 35.577]
[EX A]: 112.48

[EX Q]: [33.37, 171.691]
[EX A]:
102.53