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:
[-1, 75, -1, -37, -38, -10, 70, -75, -98, 39, 37, -15, 60]
answer:
[37.0, 37.0, -19.0, -37.5, -24.0, 30.0, -2.5, -86.5, -29.5, 38.0, 11.0, 22.5]


question:
[12, -25, -52]
answer:
[-6.5, -38.5]


question:
[20, -67, 84, -12, 36, -9, -75, -74, -8, 12, -53, -58]
answer:

[-23.5, 8.5, 36.0, 12.0, 13.5, -42.0, -74.5, -41.0, 2.0, -20.5, -55.5]