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:
[91, 4, -53, 2, 79, -22, -71]
answer:
[47.5, -24.5, -25.5, 40.5, 28.5, -46.5]


question:
[93, 23, -18, 1, -66]
answer:
[58.0, 2.5, -8.5, -32.5]


question:
[53, 23, -10, -83, -28, -15, 17]
answer:

[38.0, 6.5, -46.5, -55.5, -21.5, 1.0]