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:
[78, -73, -41, -39, 9, 71, 53, 81, -72, -45, 66, 52, 89, -80, 90]
answer:
[2.5, -57.0, -40.0, -15.0, 40.0, 62.0, 67.0, 4.5, -58.5, 10.5, 59.0, 70.5, 4.5, 5.0]


question:
[79, 93, 22, -12, 60, -51, 71, -59, -27, -43, -31, 60, -55]
answer:
[86.0, 57.5, 5.0, 24.0, 4.5, 10.0, 6.0, -43.0, -35.0, -37.0, 14.5, 2.5]


question:
[36, -61, 50, 72, 12, 9]
answer:

[-12.5, -5.5, 61.0, 42.0, 10.5]