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:
[78, 3, 3, 50, 80, -76, -73, -20, -71, -29, -47, 4]
answer:
[40.5, 3.0, 26.5, 65.0, 2.0, -74.5, -46.5, -45.5, -50.0, -38.0, -21.5]


question:
[-76, -3, -6, -74, 70, -26]
answer:
[-39.5, -4.5, -40.0, -2.0, 22.0]


question:
[71, 45, -12, -73, 41, -51, 24, -21, -87, -29, -87, 62, 74, -50]
answer:

[58.0, 16.5, -42.5, -16.0, -5.0, -13.5, 1.5, -54.0, -58.0, -58.0, -12.5, 68.0, 12.0]