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]: [232.014, -52.265]
[EX A]: 89.875

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

[EX Q]: [165.201, 95.09, -1.469, 59.4, 66.477, 124.442, 228.206]
[EX A]:
105.335