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:
[-99, -62, -46, -87, -99, -49, -24, -26, -22, 61, -48, -25, -59, -51, -85]
answer:
[-80.5, -54.0, -66.5, -93.0, -74.0, -36.5, -25.0, -24.0, 19.5, 6.5, -36.5, -42.0, -55.0, -68.0]


question:
[-25, -64, 85, -23, 64, -74, -66, -15, -8, -59]
answer:
[-44.5, 10.5, 31.0, 20.5, -5.0, -70.0, -40.5, -11.5, -33.5]


question:
[-22, 73, -78, -22]
answer:

[25.5, -2.5, -50.0]