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]: [23.632, 47.911, 95.884, 239.46, -68.225, 80.094, 111.959]
[EX A]: 75.816

[EX Q]: [-96.229, 200.453]
[EX A]: 52.112

[EX Q]: [4.421, 4.277, 84.947, 214.928]
[EX A]:
77.143