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.

[103.885, 191.867, 82.228, 177.708, 136.093, -17.022]
112.46

[14.166, 216.734, -23.073, 209.811, 203.336, 91.659, 142.602, 1.151, -39.869, -54.838]
76.168

[109.483, 235.126, 50.317, 161.768, -12.459, 102.281, 224.248, -27.499, 88.268, 209.2]

114.073