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:
[22, -21, -6, -2, -76, -26]
answer:
[0.5, -13.5, -4.0, -39.0, -51.0]


question:
[41, -16, -86, -96, -67, 28, -89]
answer:
[12.5, -51.0, -91.0, -81.5, -19.5, -30.5]


question:
[-96, -42, 73, -74, 36, 32, -55, 84, 57]
answer:

[-69.0, 15.5, -0.5, -19.0, 34.0, -11.5, 14.5, 70.5]