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]: [65.486, -51.995, 170.628, -23.998, 83.128, -57.38, 130.737, 214.738]
[EX A]: 66.418

[EX Q]: [138.63, 106.759, 86.625]
[EX A]: 110.671

[EX Q]: [-64.114, 105.827, -30.412, 155.456, -16.765, 244.443]
[EX A]:
65.739