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:
[64, -5, -29]
answer:
[29.5, -17.0]


question:
[-89, 83, 0, -53]
answer:
[-3.0, 41.5, -26.5]


question:
[56, -81]
answer:

[-12.5]