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:
[22, -21, -6, -2, -76, -26]
answer:
[0.5, -13.5, -4.0, -39.0, -51.0]


question:
[7, -23]
answer:
[-8.0]


question:
[31, 91, -3, 89, -13, 69, -76, -19, -6, -20, -76, 61]
answer:

[61.0, 44.0, 43.0, 38.0, 28.0, -3.5, -47.5, -12.5, -13.0, -48.0, -7.5]