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:
[0, -19, -44, 90, -50, 22, 23, -79, -37, 9, -3]
answer:
[-9.5, -31.5, 23.0, 20.0, -14.0, 22.5, -28.0, -58.0, -14.0, 3.0]


question:
[-49, -91, -7]
answer:
[-70.0, -49.0]


question:
[65, 86, -17, 89, 80, 32, 89, 95, -65, -57, -44, 47, 18, 7, -70]
answer:

[75.5, 34.5, 36.0, 84.5, 56.0, 60.5, 92.0, 15.0, -61.0, -50.5, 1.5, 32.5, 12.5, -31.5]