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, 12, 53, 49, 2, -54, -28, 8, -77, 27, -33]
answer:
[-4.5, 32.5, 51.0, 25.5, -26.0, -41.0, -10.0, -34.5, -25.0, -3.0]


question:
[92, -24, -56, -81, 53, 60, 5, -82, -14, -26, -31, -83, 17]
answer:
[34.0, -40.0, -68.5, -14.0, 56.5, 32.5, -38.5, -48.0, -20.0, -28.5, -57.0, -33.0]


question:
[69, 56, 33, -17, -64, 29, 29, -41, 57, -100, -83]
answer:

[62.5, 44.5, 8.0, -40.5, -17.5, 29.0, -6.0, 8.0, -21.5, -91.5]


