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]: [179.144, 114.883, -6.86, 137.104, 4.024, 55.61, 169.274, -60.246, 66.322, -92.91]
[EX A]: 56.634

[EX Q]: [234.272, 196.413, -92.425]
[EX A]: 112.753

[EX Q]: [126.283, -17.494, 32.136, -74.626, 217.379]
[EX A]:
56.736