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:
[-21, 10, 33, 79, -27, 13, -24, 64, -2, 23]
answer:
[-5.5, 21.5, 56.0, 26.0, -7.0, -5.5, 20.0, 31.0, 10.5]


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:
[-30, -48, -21, 23]
answer:

[-39.0, -34.5, 1.0]