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

[EX Q]: [82.992, 235.629, -36.094, -43.326, 27.531, -12.091, 212.495, 34.388]
[EX A]: 62.69

[EX Q]: [13.103, 36.92, 3.604, -39.832]
[EX A]:
3.449