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:
[57, -42, -14, -48, -62, 7, -9]
answer:
[7.5, -28.0, -31.0, -55.0, -27.5, -1.0]


question:
[-32, 68, 89, 47, -57, -43, -91, -62, 5, -88, 77, -84, 93, -67]
answer:
[18.0, 78.5, 68.0, -5.0, -50.0, -67.0, -76.5, -28.5, -41.5, -5.5, -3.5, 4.5, 13.0]


question:
[-78, 56, -81, 6]
answer:

[-11.0, -12.5, -37.5]