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:
[-51, -25, -51, 46, -78, 9, -14, -14, -25, 79, 56, -5]
answer:
[-38.0, -38.0, -2.5, -16.0, -34.5, -2.5, -14.0, -19.5, 27.0, 67.5, 25.5]


question:
[91, 4, -53, 2, 79, -22, -71]
answer:
[47.5, -24.5, -25.5, 40.5, 28.5, -46.5]


question:
[20, 23, -45, -34, -5, -64, -4, 4]
answer:

[21.5, -11.0, -39.5, -19.5, -34.5, -34.0, 0.0]