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.

[70.485, 231.704, -98.046, -30.011, 80.665, 168.282, 224.41]
92.498

[11.642, -39.595, 23.351, 168.447, 244.85, 108.958, 80.422, -14.774, 138.977]
80.253

[-96.903, -1.489, 182.083, 196.779, -67.602, 202.143, -20.354, -24.817, 194.439]

62.698