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]: [218.807, 72.849, 7.838, 124.81, 45.929, 239.888]
[EX A]: 118.354

[EX Q]: [149.806, 232.621, 119.06]
[EX A]: 167.162

[EX Q]: [36.971, 26.64, 117.665, -17.122, 167.761, -18.789, 184.841, 84.66]
[EX A]:
72.828