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]: [-94.827, -4.806, 33.138, 11.562, -68.261]
[EX A]: -24.639

[EX Q]: [72.326, -74.6, 127.566, -54.848, 198.529, -44.061, -28.155]
[EX A]: 28.108

[EX Q]: [-80.984, 148.121, 92.832]
[EX A]:
53.323