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]: [160.713, 125.985, 186.982, -94.178, 183.77]
[EX A]: 112.654

[EX Q]: [53.391, 118.782, 102.742]
[EX A]: 91.638

[EX Q]: [-90.251, 202.827, 58.923, 3.153, -59.158]
[EX A]:
23.099