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, -27, 100, -100, -52, -57, 25, -14, -46, 81]
answer:
[-13.0, 36.5, 0.0, -76.0, -54.5, -16.0, 5.5, -30.0, 17.5]


question:
[-69, 63, 47]
answer:
[-3.0, 55.0]


question:
[-58, 33, -93, -12, -87, 55, -86, -15]
answer:

[-12.5, -30.0, -52.5, -49.5, -16.0, -15.5, -50.5]