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:
[-34, 7, -83, 25, -31, 7]
answer:
[-13.5, -38.0, -29.0, -3.0, -12.0]


question:
[-65, 28, -98, -54, 37, -51]
answer:
[-18.5, -35.0, -76.0, -8.5, -7.0]


question:
[-99, -78, -57, -33, -53, -74, -19, -86, 44, 11, -1]
answer:

[-88.5, -67.5, -45.0, -43.0, -63.5, -46.5, -52.5, -21.0, 27.5, 5.0]