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]: [43.362, 111.151, 162.709, 43.974, 184.165, 238.15, 181.927]
[EX A]: 137.92

[EX Q]: [169.737, 56.872, 102.557, -9.77]
[EX A]: 79.849

[EX Q]: [-82.244, 66.67, 205.157, 220.948, -43.587, 14.426, 39.861, 24.825]
[EX A]:
55.757