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]: [41.081, 166.314, -14.556, -84.648, -8.286]
[EX A]: 19.981

[EX Q]: [95.472, 109.291, 245.955, 86.122, -90.639, 144.544, 31.063, 89.001, 40.671]
[EX A]: 83.498

[EX Q]: [159.994, 6.945, -84.819, 56.486, 218.218, 242.23]
[EX A]:
99.842