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]: [-48.196, 15.566, 65.782, 174.566, -91.786, 52.379, 2.658, 76.856]
[EX A]: 30.978

[EX Q]: [132.779, 126.164, 97.743, -59.174, -55.441]
[EX A]: 48.414

[EX Q]: [182.66, 166.228, 127.473, 61.425, 25.582, 21.339, -47.206, 149.029, 128.768]
[EX A]:
90.589