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.

[Q]: [245.2, 202.565]
[A]: 223.882


[Q]: [80.113, -28.006, -40.254, 222.454, 29.784, 129.871, 141.71, -44.716, -22.74]
[A]: 52.024


[Q]: [157.577, -10.718, -88.277, 229.627, 163.457, 37.559, 93.4, 93.428, 73.861, -39.172]
[A]:
71.074