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]: [245.091, 201.984, 204.428, 222.046, 4.807, 21.497, -34.025, 160.097]
[EX A]: 128.241

[EX Q]: [87.234, -30.861, 221.46, 120.15, -85.065, 67.024, 144.174, -64.546]
[EX A]: 57.446

[EX Q]: [-22.937, 186.489, 200.514, -95.957]
[EX A]:
67.027