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]: [-95.352, -26.358, 34.234, 162.959, 239.101, 137.014]
[EX A]: 75.266

[EX Q]: [-94.286, 148.737, 234.8, 148.972]
[EX A]: 109.556

[EX Q]: [-20.976, 91.105, 135.986]
[EX A]:
68.705