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]: [-48.12, 192.63, 32.454, 132.703, -26.044, 140.006, -8.624, 38.438]
[EX A]: 56.68

[EX Q]: [131.164, 99.999, 138.488, 57.264, -40.069, -82.402, -42.836]
[EX A]: 37.373

[EX Q]: [-37.22, 22.481, -35.548, 143.148, -67.249]
[EX A]:
5.122