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]: [61.761, 6.557, -93.386, -74.064, 33.4, 141.295]
[EX A]: 12.594

[EX Q]: [246.282, 231.815, 1.709, -51.234, -76.432, 21.802, 18.917, 106.734, 168.909, -67.647]
[EX A]: 60.085

[EX Q]: [68.917, 75.926, 15.829, -18.994, -55.213]
[EX A]:
17.293