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:
[72, -80]
answer:
[-4.0]


question:
[-56, 32, -54]
answer:
[-12.0, -11.0]


question:
[20, -4, -69, -47, 7, -17, -53, 90]
answer:

[8.0, -36.5, -58.0, -20.0, -5.0, -35.0, 18.5]


