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]: [233.848, -58.713, 126.623, 27.615, 62.365, 200.239, 13.38]
[EX A]: 86.48

[EX Q]: [20.538, 100.835, -23.197, 207.707, -12.758, 152.97, 190.404]
[EX A]: 90.928

[EX Q]: [-51.642, 238.013, -43.856, 22.507, -42.668, 58.618, 182.244, 35.27, -73.154, -50.349]
[EX A]:
27.498