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


question:
[-82, -95, -100, -88]
answer:
[-88.5, -97.5, -94.0]


question:
[-35, -86, -35, -76, 84, 3, 99, 35, -83, -49]
answer:

[-60.5, -60.5, -55.5, 4.0, 43.5, 51.0, 67.0, -24.0, -66.0]