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:
[91, -52, -63, 41]
answer:
[19.5, -57.5, -11.0]


question:
[-23, 63, -6, 66, -53, 18, -45]
answer:
[20.0, 28.5, 30.0, 6.5, -17.5, -13.5]


question:
[-28, -11, -91, -78, 27, -60, 43, 91, 27, -18, 86, -27, -57, -29]
answer:

[-19.5, -51.0, -84.5, -25.5, -16.5, -8.5, 67.0, 59.0, 4.5, 34.0, 29.5, -42.0, -43.0]