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]: [-94.068, -52.758, 53.31, -5.178, -20.667, 100.51, 100.973, 168.318, 54.245, 210.951]
[EX A]: 51.564

[EX Q]: [-75.664, 192.225, 2.107, -86.22, -51.11]
[EX A]: -3.732

[EX Q]: [-86.197, 162.215, 210.677, 164.551, 163.062, 13.106, 139.068, 114.418]
[EX A]:
110.112