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:
[-18, 63, 49, 17, 1]
answer:
[22.5, 56.0, 33.0, 9.0]


question:
[-46, -62, 32, 90, -50, -12, 70, -55, 38, -53]
answer:
[-54.0, -15.0, 61.0, 20.0, -31.0, 29.0, 7.5, -8.5, -7.5]


question:
[23, 28, 97, -22, -91, 45, -69, -87, 38, -100, 71, -66, 54, -40]
answer:

[25.5, 62.5, 37.5, -56.5, -23.0, -12.0, -78.0, -24.5, -31.0, -14.5, 2.5, -6.0, 7.0]