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:
[-77, -57, 89, 67, -3, 6, 76]
answer:
[-67.0, 16.0, 78.0, 32.0, 1.5, 41.0]


question:
[-34, 88, -96, -69, -61, -55, 86]
answer:
[27.0, -4.0, -82.5, -65.0, -58.0, 15.5]


question:
[-69, 76, -12, -85, -44, -31, 49, -35, 33, 26, 30, 19]
answer:

[3.5, 32.0, -48.5, -64.5, -37.5, 9.0, 7.0, -1.0, 29.5, 28.0, 24.5]