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.
--------
Question: [-19.26, 130.53, 225.367, 179.475, -63.39]

Answer: 90.544


Question: [150.321, 169.658, 221.448, 54.785, 160.245, 9.534, 78.865, 229.753, 225.969]

Answer: 144.509


Question: [-3.56, 159.692, 192.288, 188.355, 42.29, -70.831, 174.258, 28.121]

Answer:
88.827