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]: [194.964, 80.506, -41.268, 32.912, -21.6, 21.543, 69.269]
[EX A]: 48.047

[EX Q]: [-3.302, 23.685, 69.661, 74.979, -46.96]
[EX A]: 23.613

[EX Q]: [74.745, 42.031, 12.239, 127.71, 152.019, -84.989, 156.129, 90.627]
[EX A]:
71.314