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]: [232.39, 28.124, 179.446, 228.788, 90.985, 60.823, 92.908]
[EX A]: 130.495

[EX Q]: [248.385, -40.468, -97.132]
[EX A]: 36.928

[EX Q]: [107.854, 107.34, 77.982]
[EX A]:
97.725