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]: [176.928, 146.579, 134.498, 146.776]
[EX A]: 151.195

[EX Q]: [93.048, 173.783, 88.736, -95.085, -77.155, -2.381, -84.313]
[EX A]: 13.805

[EX Q]: [6.75, 159.241, 2.768, 177.522, -26.097, -91.807, 84.681, 203.487, 149.677]
[EX A]:
74.025