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:
[36, -61, 50, 72, 12, 9]
answer:
[-12.5, -5.5, 61.0, 42.0, 10.5]


question:
[83, -11, 38]
answer:
[36.0, 13.5]


question:
[-27, -55, -80, -81, 17, 8, 80]
answer:

[-41.0, -67.5, -80.5, -32.0, 12.5, 44.0]