instruction:
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:
[150.321, 169.658, 221.448, 54.785, 160.245, 9.534, 78.865, 229.753, 225.969]
answer:
144.509


question:
[243.697, 165.796, 114.518, 207.298, 191.227]
answer:
184.507


question:
[190.815, -38.448, 221.169, 214.219, -41.104, 70.021, 192.216, 180.356, 71.353]
answer:

117.844