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]: [197.424, 44.178, 136.316, 246.48, 98.472, -31.327, 41.411]
[EX A]: 104.708

[EX Q]: [126.177, 120.225, 231.498, 170.694, 34.361, 101.823, -21.468, 234.339]
[EX A]: 124.706

[EX Q]: [29.77, 19.24, 231.795, 175.293, -7.304, 206.231, -29.028, 184.234, 129.873, -79.392]
[EX A]:
86.071