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]: [-27.115, -11.908, 125.703, 202.749, 139.333, 242.982, -93.292, 161.484]
[EX A]: 92.492

[EX Q]: [124.333, 5.477, -53.787, 226.538, -40.577, -43.102, 214.118, 125.785, 151.837]
[EX A]: 78.958

[EX Q]: [-51.603, 117.351, -67.451, 218.664, 68.981, 167.005, -53.851, 104.996]
[EX A]:
63.012