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:
[56, -80, -51, -27, -97, 98, 99, -25, -55, 99, -9, -66, -83, 38, -95]
answer:
[-12.0, -65.5, -39.0, -62.0, 0.5, 98.5, 37.0, -40.0, 22.0, 45.0, -37.5, -74.5, -22.5, -28.5]


question:
[93, -20, -64, -4, -73, 78, -84, 84, -87]
answer:
[36.5, -42.0, -34.0, -38.5, 2.5, -3.0, 0.0, -1.5]


question:
[-16, 62, 12, 1, -61, 39, 30, -93, 77]
answer:

[23.0, 37.0, 6.5, -30.0, -11.0, 34.5, -31.5, -8.0]