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:
[-21, 13, 42, 12, 48, 35, -98, -25, -7, 21, 35, -24, -45]
answer:
[-4.0, 27.5, 27.0, 30.0, 41.5, -31.5, -61.5, -16.0, 7.0, 28.0, 5.5, -34.5]


question:
[10, 78, -51, -20, 48, 55, -72, -1]
answer:
[44.0, 13.5, -35.5, 14.0, 51.5, -8.5, -36.5]


question:
[0, 48, -25, 50, 99]
answer:

[24.0, 11.5, 12.5, 74.5]