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:
[15, -78, -76, 35, 42, 83]
answer:
[-31.5, -77.0, -20.5, 38.5, 62.5]


question:
[91, -52, -63, 41]
answer:
[19.5, -57.5, -11.0]


question:
[-84, -40, -87, -88, 85, -34, -33, 13, -85, -26, 60, -33, 95]
answer:

[-62.0, -63.5, -87.5, -1.5, 25.5, -33.5, -10.0, -36.0, -55.5, 17.0, 13.5, 31.0]