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, 76, 21, 100, 19]
answer:
[-0.5, 48.5, 60.5, 59.5]


question:
[42, 51, 60, 17, 32, -27, -48, -88, 12, 42, 79, 62]
answer:
[46.5, 55.5, 38.5, 24.5, 2.5, -37.5, -68.0, -38.0, 27.0, 60.5, 70.5]


question:
[15, -98, -13, 12]
answer:

[-41.5, -55.5, -0.5]