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]: [210.345, 91.115]
[EX A]: 150.73

[EX Q]: [-29.727, 150.587, -28.344, 181.096, 0.275, -91.658, 169.609, -21.106, 153.48]
[EX A]: 53.801

[EX Q]: [110.655, -3.182, -69.629, -64.748, 201.085, 192.82, 234.475]
[EX A]:
85.925