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]: [227.874, 175.626, 193.094, 63.963, 139.938]
[EX A]: 160.099

[EX Q]: [157.14, 120.799, -55.651, -50.479, 89.067, 192.279, 57.227, 137.972]
[EX A]: 81.044

[EX Q]: [28.856, -75.471, 62.622, 212.135, -44.995, 212.972, 12.709, 3.732, 120.603]
[EX A]:
59.24