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, -23, -23, -16, 96, -98, 84, 76, -15, -46, -7]
answer:
[-50.0, -23.0, -19.5, 40.0, -1.0, -7.0, 80.0, 30.5, -30.5, -26.5]


question:
[81, -51, 1, -76, 11, 93, -3, 40, -15, -37, -20, -34, -85, -64, -34]
answer:
[15.0, -25.0, -37.5, -32.5, 52.0, 45.0, 18.5, 12.5, -26.0, -28.5, -27.0, -59.5, -74.5, -49.0]


question:
[-28, -31, -83, 86, 64, 31, -26, 29, -91, 15, -56]
answer:

[-29.5, -57.0, 1.5, 75.0, 47.5, 2.5, 1.5, -31.0, -38.0, -20.5]


