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:
[95, -87, -48, 69, -76, -19, 97, 97, -50, -74, -87, 91, 12, -47, 45]
answer:
[4.0, -67.5, 10.5, -3.5, -47.5, 39.0, 97.0, 23.5, -62.0, -80.5, 2.0, 51.5, -17.5, -1.0]


question:
[-100, 68, -69, 30]
answer:
[-16.0, -0.5, -19.5]


question:
[12, -65, -34, -40, -85, -63, -28, -20, -79, 89, -57]
answer:

[-26.5, -49.5, -37.0, -62.5, -74.0, -45.5, -24.0, -49.5, 5.0, 16.0]