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]: [102.553, 221.594, -69.406, 192.534, 139.703, -38.208, 228.963, 32.921]
[EX A]: 101.332

[EX Q]: [17.002, 179.236, 60.396, 98.09]
[EX A]: 88.681

[EX Q]: [83.713, 235.706, 107.712, 94.574, -87.051, 129.245, 128.053]
[EX A]:
98.85