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]: [59.291, 108.572, 120.13]
[EX A]: 95.998

[EX Q]: [64.523, 131.207, -30.223, -95.659]
[EX A]: 17.462

[EX Q]: [215.885, 62.695, 17.33, 134.458, 195.467, 190.867]
[EX A]:
136.117