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:
[99, -28, -18, -89, -14, -80, -54, -84, -82]
answer:
[35.5, -23.0, -53.5, -51.5, -47.0, -67.0, -69.0, -83.0]


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:
[-89, 10]
answer:

[-39.5]