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]: [145.697, -40.957, -46.926, -55.065, 177.211, 204.811, -94.192, -47.466]
[EX A]: 30.389

[EX Q]: [-86.423, 157.154, 69.563, -67.516, 147.66, 216.018, 213.404]
[EX A]: 92.837

[EX Q]: [160.311, -55.405, 143.015, 236.679, 56.904, 222.146, 54.2]
[EX A]:
116.836