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:
[-27, -76, 16, 92, 73, -80, -56]
answer:
[-51.5, -30.0, 54.0, 82.5, -3.5, -68.0]


question:
[-57, -27, -20, 4, -82, 58, -39, 92, 64, -68, -21]
answer:
[-42.0, -23.5, -8.0, -39.0, -12.0, 9.5, 26.5, 78.0, -2.0, -44.5]


question:
[48, -45, 16, -83, 84, -87, -50, 81, -61, 75, -66, -2, -17, 44, 46]
answer:

[1.5, -14.5, -33.5, 0.5, -1.5, -68.5, 15.5, 10.0, 7.0, 4.5, -34.0, -9.5, 13.5, 45.0]