instruction:
In this task you are given a list of numbers and you need to find the average of each two consecutive values. The average of two numbers a and b is calculated as: (a + b) /2. The output should be a list of the averages of each two consecutive values. A list is presented with two brackets and comma-separated values, like: [1,2,3].
question:
[9, 62, 4, -63, -50, 9, -19, -42, -20]
answer:
[35.5, 33.0, -29.5, -56.5, -20.5, -5.0, -30.5, -31.0]


question:
[87, 34, 59, -97, -67, -71, -28, -51, 56]
answer:
[60.5, 46.5, -19.0, -82.0, -69.0, -49.5, -39.5, 2.5]


question:
[33, 56, 18, -5, -18, -52, -40, -60, -69, -48, 64, 55]
answer:

[44.5, 37.0, 6.5, -11.5, -35.0, -46.0, -50.0, -64.5, -58.5, 8.0, 59.5]