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:
[-27, -64]
answer:
[-45.5]


question:
[-3, 13, -46, -3, 23, 89, 48, -77, 74, -14, 96, 43, 2]
answer:

[5.0, -16.5, -24.5, 10.0, 56.0, 68.5, -14.5, -1.5, 30.0, 41.0, 69.5, 22.5]