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:
[72, -80]
answer:
[-4.0]


question:
[-13, 31, 0, 53]
answer:
[9.0, 15.5, 26.5]


question:
[56, -17, 91, 76, -54, -62, -89, -3, -14, 60]
answer:

[19.5, 37.0, 83.5, 11.0, -58.0, -75.5, -46.0, -8.5, 23.0]