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]: [-96.903, -1.489, 182.083, 196.779, -67.602, 202.143, -20.354, -24.817, 194.439]
[EX A]: 62.698

[EX Q]: [21.531, 221.161, -31.194]
[EX A]: 70.499

[EX Q]: [108.88, 136.2, 141.894, -76.072, -27.471]
[EX A]:
56.686