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]: [21.659, 63.646, -97.361]
[EX A]: -4.019

[EX Q]: [127.522, 232.86, 46.593]
[EX A]: 135.658

[EX Q]: [100.154, 90.27, 1.618, 227.9, -46.241, 70.688]
[EX A]:
74.065